157022140 has 24 divisors (see below), whose sum is σ = 359723952. Its totient is φ = 57098880.

The previous prime is 157022119. The next prime is 157022141. The reversal of 157022140 is 41220751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157022141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356649 + ... + 357088.

It is an arithmetic number, because the mean of its divisors is an integer number (14988498).

Almost surely, 2^157022140 is an apocalyptic number.

157022140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157022140 is an abundant number, since it is smaller than the sum of its proper divisors (202701812).

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

157022140 is a wasteful number, since it uses less digits than its factorization.

157022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713757 (or 713755 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 157022140 is about 12530.8475371780. The cubic root of 157022140 is about 539.4944285015.

Adding to 157022140 its reverse (41220751), we get a palindrome (198242891).

The spelling of 157022140 in words is "one hundred fifty-seven million, twenty-two thousand, one hundred forty".