1651145132 has 48 divisors (see below), whose sum is σ = 3639052032. Its totient is φ = 638003520.

The previous prime is 1651145129. The next prime is 1651145143. The reversal of 1651145132 is 2315411561.

It is a junction number, because it is equal to n+sod(n) for n = 1651145095 and 1651145104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37094 + ... + 68397.

It is an arithmetic number, because the mean of its divisors is an integer number (75813584).

Almost surely, 2^1651145132 is an apocalyptic number.

It is an amenable number.

1651145132 is an abundant number, since it is smaller than the sum of its proper divisors (1987906900).

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

1651145132 is a wasteful number, since it uses less digits than its factorization.

1651145132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105558 (or 105556 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1651145132 is about 40634.2851788979. The cubic root of 1651145132 is about 1181.9390535674.

Adding to 1651145132 its reverse (2315411561), we get a palindrome (3966556693).

The spelling of 1651145132 in words is "one billion, six hundred fifty-one million, one hundred forty-five thousand, one hundred thirty-two".