155432452 has 12 divisors (see below), whose sum is σ = 310864960. Its totient is φ = 66613896.

The previous prime is 155432443. The next prime is 155432461. The reversal of 155432452 is 254234551.

It is an interprime number because it is at equal distance from previous prime (155432443) and next prime (155432461).

155432452 is an admirable number.

It is an unprimeable number.

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, 2775552 + ... + 2775607.

Almost surely, 2^155432452 is an apocalyptic number.

It is an amenable number.

155432452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155432452 is a wasteful number, since it uses less digits than its factorization.

155432452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551170 (or 5551168 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 155432452 is about 12467.2551910996. The cubic root of 155432452 is about 537.6676406603.

The spelling of 155432452 in words is "one hundred fifty-five million, four hundred thirty-two thousand, four hundred fifty-two".