156045390 has 16 divisors (see below), whose sum is σ = 374509008. Its totient is φ = 41612096.

The previous prime is 156045389. The next prime is 156045419. The reversal of 156045390 is 93540651.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600727 + ... + 2600786.

It is an arithmetic number, because the mean of its divisors is an integer number (23406813).

Almost surely, 2^156045390 is an apocalyptic number.

156045390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156045390 is an abundant number, since it is smaller than the sum of its proper divisors (218463618).

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

156045390 is a wasteful number, since it uses less digits than its factorization.

156045390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201523.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 156045390 is about 12491.8129188681. The cubic root of 156045390 is about 538.3734664066.

The spelling of 156045390 in words is "one hundred fifty-six million, forty-five thousand, three hundred ninety".