157623375 has 128 divisors (see below), whose sum is σ = 335462400. Its totient is φ = 63936000.

The previous prime is 157623331. The next prime is 157623377. The reversal of 157623375 is 573326751.

157623375 = T₁₀₇ + T₁₀₈ + ... + T₉₈₁.

It is not a de Polignac number, because 157623375 - 2⁹ = 157622863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157623377) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 1057801 + ... + 1057949.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^157623375 is an apocalyptic number.

157623375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157623375 is an abundant number, since it is smaller than the sum of its proper divisors (177839025).

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

157623375 is a wasteful number, since it uses less digits than its factorization.

157623375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 208 counting only the distinct ones).

The product of its digits is 132300, while the sum is 39.

The square root of 157623375 is about 12554.8148134491. The cubic root of 157623375 is about 540.1821230687.

The spelling of 157623375 in words is "one hundred fifty-seven million, six hundred twenty-three thousand, three hundred seventy-five".