156105045 has 24 divisors (see below), whose sum is σ = 284824800. Its totient is φ = 78873696.

The previous prime is 156105041. The next prime is 156105097. The reversal of 156105045 is 540501651.

It is a happy number.

156105045 is a `hidden beast` number, since 1 + 5 + 610 + 5 + 0 + 45 = 666.

It is not a de Polignac number, because 156105045 - 2² = 156105041 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156105041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90435 + ... + 92144.

It is an arithmetic number, because the mean of its divisors is an integer number (11867700).

Almost surely, 2^156105045 is an apocalyptic number.

156105045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156105045 is a deficient number, since it is larger than the sum of its proper divisors (128719755).

156105045 is a wasteful number, since it uses less digits than its factorization.

156105045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182609 (or 182606 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 156105045 is about 12494.2004546109. The cubic root of 156105045 is about 538.4420630659.

Adding to 156105045 its reverse (540501651), we get a palindrome (696606696).

The spelling of 156105045 in words is "one hundred fifty-six million, one hundred five thousand, forty-five".