156134550 has 192 divisors, whose sum is σ = 472469760. Its totient is φ = 33600000.

The previous prime is 156134549. The next prime is 156134551. The reversal of 156134550 is 55431651.

156134550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156134549) and next prime (156134551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156134551) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 621925 + ... + 622175.

It is an arithmetic number, because the mean of its divisors is an integer number (2460780).

Almost surely, 2^156134550 is an apocalyptic number.

156134550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 156134550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236234880).

156134550 is an abundant number, since it is smaller than the sum of its proper divisors (316335210).

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

156134550 is a wasteful number, since it uses less digits than its factorization.

156134550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 156134550 is about 12495.3811466477. The cubic root of 156134550 is about 538.4759840970.

The spelling of 156134550 in words is "one hundred fifty-six million, one hundred thirty-four thousand, five hundred fifty".