157575379 has 16 divisors (see below), whose sum is σ = 179092480. Its totient is φ = 137440800.

The previous prime is 157575367. The next prime is 157575403. The reversal of 157575379 is 973575751.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 157575379 - 2¹³ = 157567187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157575679) 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 15 ways as a sum of consecutive naturals, for example, 149404 + ... + 150454.

It is an arithmetic number, because the mean of its divisors is an integer number (11193280).

Almost surely, 2^157575379 is an apocalyptic number.

157575379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

157575379 is a deficient number, since it is larger than the sum of its proper divisors (21517101).

157575379 is a wasteful number, since it uses less digits than its factorization.

157575379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 1157625, while the sum is 49.

The square root of 157575379 is about 12552.9032100148. The cubic root of 157575379 is about 540.1272893801.

The spelling of 157575379 in words is "one hundred fifty-seven million, five hundred seventy-five thousand, three hundred seventy-nine".