157454838 has 24 divisors (see below), whose sum is σ = 347591088. Its totient is φ = 51494352.

The previous prime is 157454837. The next prime is 157454879. The reversal of 157454838 is 838454751.

157454838 is a `hidden beast` number, since 1 + 5 + 74 + 548 + 38 = 666.

157454838 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 junction number, because it is equal to n+sod(n) for n = 157454793 and 157454802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157454831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81570 + ... + 83477.

It is an arithmetic number, because the mean of its divisors is an integer number (14482962).

Almost surely, 2^157454838 is an apocalyptic number.

157454838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157454838 is an abundant number, since it is smaller than the sum of its proper divisors (190136250).

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

157454838 is a wasteful number, since it uses less digits than its factorization.

157454838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165108 (or 165105 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 157454838 is about 12548.1009718602. The cubic root of 157454838 is about 539.9895265458.

The spelling of 157454838 in words is "one hundred fifty-seven million, four hundred fifty-four thousand, eight hundred thirty-eight".