748000157 has 2 divisors, whose sum is σ = 748000158. Its totient is φ = 748000156.

The previous prime is 748000109. The next prime is 748000193. The reversal of 748000157 is 751000847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 507781156 + 240219001 = 22534^2 + 15499^2 .

It is a cyclic number.

It is not a de Polignac number, because 748000157 - 2¹² = 747996061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48000157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374000078 + 374000079.

It is an arithmetic number, because the mean of its divisors is an integer number (374000079).

Almost surely, 2^748000157 is an apocalyptic number.

It is an amenable number.

748000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

748000157 is an equidigital number, since it uses as much as digits as its factorization.

748000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 748000157 is about 27349.5915325988. The cubic root of 748000157 is about 907.7520318338.

The spelling of 748000157 in words is "seven hundred forty-eight million, one hundred fifty-seven", and thus it is an aban number.