156135454 has 16 divisors (see below), whose sum is σ = 244667808. Its totient is φ = 74587392.

The previous prime is 156135443. The next prime is 156135479. The reversal of 156135454 is 454531651.

It is a super-2 number, since 2×156135454² = 48756559991572232, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 58354 + ... + 60970.

It is an arithmetic number, because the mean of its divisors is an integer number (15291738).

Almost surely, 2^156135454 is an apocalyptic number.

156135454 is a deficient number, since it is larger than the sum of its proper divisors (88532354).

156135454 is a wasteful number, since it uses less digits than its factorization.

156135454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939.

The product of its digits is 36000, while the sum is 34.

The square root of 156135454 is about 12495.4173199617. The cubic root of 156135454 is about 538.4770233318.

The spelling of 156135454 in words is "one hundred fifty-six million, one hundred thirty-five thousand, four hundred fifty-four".