157025505 has 48 divisors (see below), whose sum is σ = 310953600. Its totient is φ = 66253824.

The previous prime is 157025503. The next prime is 157025507. The reversal of 157025505 is 505520751.

It is an interprime number because it is at equal distance from previous prime (157025503) and next prime (157025507).

It is not a de Polignac number, because 157025505 - 2¹ = 157025503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157025503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13321 + ... + 22169.

It is an arithmetic number, because the mean of its divisors is an integer number (6478200).

Almost surely, 2^157025505 is an apocalyptic number.

157025505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157025505 is a deficient number, since it is larger than the sum of its proper divisors (153928095).

157025505 is a wasteful number, since it uses less digits than its factorization.

157025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8890 (or 8877 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 157025505 is about 12530.9818051101. The cubic root of 157025505 is about 539.4982822803.

The spelling of 157025505 in words is "one hundred fifty-seven million, twenty-five thousand, five hundred five".