148156461 has 6 divisors (see below), whose sum is σ = 214003790. Its totient is φ = 98770968.

The previous prime is 148156441. The next prime is 148156487. The reversal of 148156461 is 164651841.

148156461 is a `hidden beast` number, since 1 + 4 + 8 + 1 + 5 + 646 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140422500 + 7733961 = 11850^2 + 2781^2 .

It is not a de Polignac number, because 148156461 - 2¹⁴ = 148140077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148156441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8230906 + ... + 8230923.

Almost surely, 2^148156461 is an apocalyptic number.

It is an amenable number.

148156461 is a deficient number, since it is larger than the sum of its proper divisors (65847329).

148156461 is a wasteful number, since it uses less digits than its factorization.

148156461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16461835 (or 16461832 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 148156461 is about 12171.9538694492. The cubic root of 148156461 is about 529.1435806766.

The spelling of 148156461 in words is "one hundred forty-eight million, one hundred fifty-six thousand, four hundred sixty-one".