157273004 has 12 divisors (see below), whose sum is σ = 314546064. Its totient is φ = 67402704.

The previous prime is 157272989. The next prime is 157273009. The reversal of 157273004 is 400372751.

157273004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (157273009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808419 + ... + 2808474.

It is an arithmetic number, because the mean of its divisors is an integer number (26212172).

Almost surely, 2^157273004 is an apocalyptic number.

157273004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157273004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157273004 is a wasteful number, since it uses less digits than its factorization.

157273004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616904 (or 5616902 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 157273004 is about 12540.8533999884. The cubic root of 157273004 is about 539.7815806185.

The spelling of 157273004 in words is "one hundred fifty-seven million, two hundred seventy-three thousand, four".