155030292 has 36 divisors (see below), whose sum is σ = 392522676. Its totient is φ = 51592320.

The previous prime is 155030273. The next prime is 155030321. The reversal of 155030292 is 292030551.

It can be written as a sum of positive squares in 2 ways, for example, as 110754576 + 44275716 = 10524^2 + 6654^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21192 + ... + 27552.

Almost surely, 2^155030292 is an apocalyptic number.

155030292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155030292 is an abundant number, since it is smaller than the sum of its proper divisors (237492384).

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

155030292 is a wasteful number, since it uses less digits than its factorization.

155030292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048 (or 7043 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 155030292 is about 12451.1160945515. The cubic root of 155030292 is about 537.2035265684.

The spelling of 155030292 in words is "one hundred fifty-five million, thirty thousand, two hundred ninety-two".