156734545 has 16 divisors (see below), whose sum is σ = 205426368. Its totient is φ = 113851840.

The previous prime is 156734537. The next prime is 156734561. The reversal of 156734545 is 545437651.

It is not a de Polignac number, because 156734545 - 2³ = 156734537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156734498 and 156734507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77487 + ... + 79483.

It is an arithmetic number, because the mean of its divisors is an integer number (12839148).

Almost surely, 2^156734545 is an apocalyptic number.

It is an amenable number.

156734545 is a deficient number, since it is larger than the sum of its proper divisors (48691823).

156734545 is a wasteful number, since it uses less digits than its factorization.

156734545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440.

The product of its digits is 252000, while the sum is 40.

The square root of 156734545 is about 12519.3667970868. The cubic root of 156734545 is about 539.1648556096.

The spelling of 156734545 in words is "one hundred fifty-six million, seven hundred thirty-four thousand, five hundred forty-five".