157554533 has 2 divisors, whose sum is σ = 157554534. Its totient is φ = 157554532.

The previous prime is 157554511. The next prime is 157554559. The reversal of 157554533 is 335455751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145395364 + 12159169 = 12058^2 + 3487^2 .

It is a cyclic number.

It is not a de Polignac number, because 157554533 - 2¹⁸ = 157292389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157554503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78777266 + 78777267.

It is an arithmetic number, because the mean of its divisors is an integer number (78777267).

Almost surely, 2^157554533 is an apocalyptic number.

It is an amenable number.

157554533 is a deficient number, since it is larger than the sum of its proper divisors (1).

157554533 is an equidigital number, since it uses as much as digits as its factorization.

157554533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157500, while the sum is 38.

The square root of 157554533 is about 12552.0728567038. The cubic root of 157554533 is about 540.1034701132.

The spelling of 157554533 in words is "one hundred fifty-seven million, five hundred fifty-four thousand, five hundred thirty-three".