157738004 has 6 divisors (see below), whose sum is σ = 276041514. Its totient is φ = 78869000.

The previous prime is 157738001. The next prime is 157738037. The reversal of 157738004 is 400837751.

It can be written as a sum of positive squares in only one way, i.e., 144048004 + 13690000 = 12002^2 + 3700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157738001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19717247 + ... + 19717254.

It is an arithmetic number, because the mean of its divisors is an integer number (46006919).

Almost surely, 2^157738004 is an apocalyptic number.

It is an amenable number.

157738004 is a deficient number, since it is larger than the sum of its proper divisors (118303510).

157738004 is a wasteful number, since it uses less digits than its factorization.

157738004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39434505 (or 39434503 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 157738004 is about 12559.3791247816. The cubic root of 157738004 is about 540.3130375189.

The spelling of 157738004 in words is "one hundred fifty-seven million, seven hundred thirty-eight thousand, four".