155465057 has 4 divisors (see below), whose sum is σ = 169598256. Its totient is φ = 141331860.

The previous prime is 155465029. The next prime is 155465069. The reversal of 155465057 is 750564551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155465057 - 2⁶ = 155464993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155465057.

It is not an unprimeable number, because it can be changed into a prime (155465077) 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 in 3 ways as a sum of consecutive naturals, for example, 7066583 + ... + 7066604.

It is an arithmetic number, because the mean of its divisors is an integer number (42399564).

Almost surely, 2^155465057 is an apocalyptic number.

It is an amenable number.

155465057 is a deficient number, since it is larger than the sum of its proper divisors (14133199).

155465057 is a wasteful number, since it uses less digits than its factorization.

155465057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14133198.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 155465057 is about 12468.5627479674. The cubic root of 155465057 is about 537.7052334700.

The spelling of 155465057 in words is "one hundred fifty-five million, four hundred sixty-five thousand, fifty-seven".