151165540 has 24 divisors (see below), whose sum is σ = 323439480. Its totient is φ = 59324928.

The previous prime is 151165537. The next prime is 151165559. The reversal of 151165540 is 45561151.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56220004 + 94945536 = 7498^2 + 9744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151165499 and 151165508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70245 + ... + 72364.

It is an arithmetic number, because the mean of its divisors is an integer number (13476645).

Almost surely, 2^151165540 is an apocalyptic number.

151165540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151165540 is an abundant number, since it is smaller than the sum of its proper divisors (172273940).

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

151165540 is a wasteful number, since it uses less digits than its factorization.

151165540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142671 (or 142669 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 151165540 is about 12294.9396094491. The cubic root of 151165540 is about 532.7019255209.

The spelling of 151165540 in words is "one hundred fifty-one million, one hundred sixty-five thousand, five hundred forty".