157545413 has 2 divisors, whose sum is σ = 157545414. Its totient is φ = 157545412.

The previous prime is 157545407. The next prime is 157545433. The reversal of 157545413 is 314545751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120846049 + 36699364 = 10993^2 + 6058^2 .

It is a cyclic number.

It is not a de Polignac number, because 157545413 - 2¹⁶ = 157479877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157545403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78772706 + 78772707.

It is an arithmetic number, because the mean of its divisors is an integer number (78772707).

Almost surely, 2^157545413 is an apocalyptic number.

It is an amenable number.

157545413 is a deficient number, since it is larger than the sum of its proper divisors (1).

157545413 is an equidigital number, since it uses as much as digits as its factorization.

157545413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42000, while the sum is 35.

The square root of 157545413 is about 12551.7095648362. The cubic root of 157545413 is about 540.0930486661.

The spelling of 157545413 in words is "one hundred fifty-seven million, five hundred forty-five thousand, four hundred thirteen".