155350537 has 2 divisors, whose sum is σ = 155350538. Its totient is φ = 155350536.

The previous prime is 155350493. The next prime is 155350543. The reversal of 155350537 is 735053551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144696841 + 10653696 = 12029^2 + 3264^2 .

It is a cyclic number.

It is not a de Polignac number, because 155350537 - 2¹⁵ = 155317769 is a prime.

It is not a weakly prime, because it can be changed into another prime (155357537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77675268 + 77675269.

It is an arithmetic number, because the mean of its divisors is an integer number (77675269).

Almost surely, 2^155350537 is an apocalyptic number.

It is an amenable number.

155350537 is a deficient number, since it is larger than the sum of its proper divisors (1).

155350537 is an equidigital number, since it uses as much as digits as its factorization.

155350537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39375, while the sum is 34.

The square root of 155350537 is about 12463.9695522735. The cubic root of 155350537 is about 537.5731713618.

The spelling of 155350537 in words is "one hundred fifty-five million, three hundred fifty thousand, five hundred thirty-seven".