155022452 has 48 divisors (see below), whose sum is σ = 302314320. Its totient is φ = 69092352.

The previous prime is 155022449. The next prime is 155022467. The reversal of 155022452 is 254220551.

It can be written as a sum of positive squares in 8 ways, for example, as 49056016 + 105966436 = 7004^2 + 10294^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 378824 + ... + 379232.

It is an arithmetic number, because the mean of its divisors is an integer number (6298215).

Almost surely, 2^155022452 is an apocalyptic number.

It is an amenable number.

155022452 is a deficient number, since it is larger than the sum of its proper divisors (147291868).

155022452 is a wasteful number, since it uses less digits than its factorization.

155022452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 155022452 is about 12450.8012593568. The cubic root of 155022452 is about 537.1944708185.

The spelling of 155022452 in words is "one hundred fifty-five million, twenty-two thousand, four hundred fifty-two".