144747036 has 36 divisors (see below), whose sum is σ = 418158832. Its totient is φ = 41356224.

The previous prime is 144747023. The next prime is 144747067. The reversal of 144747036 is 630747441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286945 + ... + 287448.

Almost surely, 2^144747036 is an apocalyptic number.

It is an amenable number.

144747036 is an abundant number, since it is smaller than the sum of its proper divisors (273411796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144747036 is a wasteful number, since it uses less digits than its factorization.

144747036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574410 (or 574405 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 144747036 is about 12031.0862352491. The cubic root of 144747036 is about 525.0530993912.

The spelling of 144747036 in words is "one hundred forty-four million, seven hundred forty-seven thousand, thirty-six".