155465532 has 18 divisors (see below), whose sum is σ = 392982408. Its totient is φ = 51821832.

The previous prime is 155465503. The next prime is 155465537. The reversal of 155465532 is 235564551.

155465532 is a `hidden beast` number, since 15 + 54 + 65 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4318487 = 155465532 / (1 + 5 + 5 + 4 + 6 + 5 + 5 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155465537) 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 in 5 ways as a sum of consecutive naturals, for example, 2159208 + ... + 2159279.

It is an arithmetic number, because the mean of its divisors is an integer number (21832356).

Almost surely, 2^155465532 is an apocalyptic number.

155465532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155465532 is an abundant number, since it is smaller than the sum of its proper divisors (237516876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155465532 is a wasteful number, since it uses less digits than its factorization.

155465532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318497 (or 4318492 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 155465532 is about 12468.5817958579. The cubic root of 155465532 is about 537.7057810952.

The spelling of 155465532 in words is "one hundred fifty-five million, four hundred sixty-five thousand, five hundred thirty-two".