155522465 has 16 divisors (see below), whose sum is σ = 215180928. Its totient is φ = 105697536.

The previous prime is 155522461. The next prime is 155522491. The reversal of 155522465 is 564225551.

It is not a de Polignac number, because 155522465 - 2² = 155522461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155522461) 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 15 ways as a sum of consecutive naturals, for example, 15707 + ... + 23616.

It is an arithmetic number, because the mean of its divisors is an integer number (13448808).

Almost surely, 2^155522465 is an apocalyptic number.

It is an amenable number.

155522465 is a deficient number, since it is larger than the sum of its proper divisors (59658463).

155522465 is a wasteful number, since it uses less digits than its factorization.

155522465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39448.

The product of its digits is 60000, while the sum is 35.

The square root of 155522465 is about 12470.8646452441. The cubic root of 155522465 is about 537.7714107917.

The spelling of 155522465 in words is "one hundred fifty-five million, five hundred twenty-two thousand, four hundred sixty-five".