155453000 has 32 divisors (see below), whose sum is σ = 363762360. Its totient is φ = 62180800.

The previous prime is 155452991. The next prime is 155453027. The reversal of 155453000 is 354551.

It can be written as a sum of positive squares in 4 ways, for example, as 26357956 + 129095044 = 5134^2 + 11362^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76727 + ... + 78726.

Almost surely, 2^155453000 is an apocalyptic number.

155453000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155453000 is an abundant number, since it is smaller than the sum of its proper divisors (208309360).

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

155453000 is a wasteful number, since it uses less digits than its factorization.

155453000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155474 (or 155460 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 155453000 is about 12468.0792426099. The cubic root of 155453000 is about 537.6913326408.

The spelling of 155453000 in words is "one hundred fifty-five million, four hundred fifty-three thousand".