155132077 has 2 divisors, whose sum is σ = 155132078. Its totient is φ = 155132076.

The previous prime is 155132059. The next prime is 155132129. The reversal of 155132077 is 770231551.

155132077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141633801 + 13498276 = 11901^2 + 3674^2 .

It is a cyclic number.

It is not a de Polignac number, because 155132077 - 2¹¹ = 155130029 is a prime.

It is a super-2 number, since 2×155132077² = 48131922628667858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155132177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77566038 + 77566039.

It is an arithmetic number, because the mean of its divisors is an integer number (77566039).

Almost surely, 2^155132077 is an apocalyptic number.

It is an amenable number.

155132077 is a deficient number, since it is larger than the sum of its proper divisors (1).

155132077 is an equidigital number, since it uses as much as digits as its factorization.

155132077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 155132077 is about 12455.2028084652. The cubic root of 155132077 is about 537.3210676805.

The spelling of 155132077 in words is "one hundred fifty-five million, one hundred thirty-two thousand, seventy-seven".