155546464 has 96 divisors (see below), whose sum is σ = 347004000. Its totient is φ = 68198400.

The previous prime is 155546441. The next prime is 155546473. The reversal of 155546464 is 464645551.

Its product of digits (288000) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043862 + ... + 1044010.

It is an arithmetic number, because the mean of its divisors is an integer number (3614625).

Almost surely, 2^155546464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155546464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173502000).

155546464 is an abundant number, since it is smaller than the sum of its proper divisors (191457536).

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

155546464 is a wasteful number, since it uses less digits than its factorization.

155546464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 288 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 155546464 is about 12471.8268108565. The cubic root of 155546464 is about 537.7990709163.

The spelling of 155546464 in words is "one hundred fifty-five million, five hundred forty-six thousand, four hundred sixty-four".