155144352 has 48 divisors (see below), whose sum is σ = 444280032. Its totient is φ = 47013120.

The previous prime is 155144351. The next prime is 155144371. The reversal of 155144352 is 253441551.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (155144351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72403 + ... + 74514.

It is an arithmetic number, because the mean of its divisors is an integer number (9255834).

Almost surely, 2^155144352 is an apocalyptic number.

155144352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155144352 is an abundant number, since it is smaller than the sum of its proper divisors (289135680).

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

155144352 is a wasteful number, since it uses less digits than its factorization.

155144352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146941 (or 146933 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 155144352 is about 12455.6955646804. The cubic root of 155144352 is about 537.3352393512.

The spelling of 155144352 in words is "one hundred fifty-five million, one hundred forty-four thousand, three hundred fifty-two".