155253030 has 16 divisors (see below), whose sum is σ = 372607344. Its totient is φ = 41400800.

The previous prime is 155253023. The next prime is 155253089. The reversal of 155253030 is 30352551.

It is a congruent number.

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, 2587521 + ... + 2587580.

It is an arithmetic number, because the mean of its divisors is an integer number (23287959).

Almost surely, 2^155253030 is an apocalyptic number.

155253030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155253030 is an abundant number, since it is smaller than the sum of its proper divisors (217354314).

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

155253030 is a wasteful number, since it uses less digits than its factorization.

155253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175111.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 155253030 is about 12460.0573834955. The cubic root of 155253030 is about 537.4606771305.

The spelling of 155253030 in words is "one hundred fifty-five million, two hundred fifty-three thousand, thirty".