157643094 has 96 divisors (see below), whose sum is σ = 381770496. Its totient is φ = 43243200.

The previous prime is 157643089. The next prime is 157643107. The reversal of 157643094 is 490346751.

157643094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1043919 + ... + 1044069.

It is an arithmetic number, because the mean of its divisors is an integer number (3976776).

Almost surely, 2^157643094 is an apocalyptic number.

157643094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157643094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190885248).

157643094 is an abundant number, since it is smaller than the sum of its proper divisors (224127402).

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

157643094 is a wasteful number, since it uses less digits than its factorization.

157643094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 157643094 is about 12555.6001051324. The cubic root of 157643094 is about 540.2046480847.

The spelling of 157643094 in words is "one hundred fifty-seven million, six hundred forty-three thousand, ninety-four".