155275430 has 16 divisors (see below), whose sum is σ = 281213424. Its totient is φ = 61728480.

The previous prime is 155275427. The next prime is 155275441. The reversal of 155275430 is 34572551.

It is a super-2 number, since 2×155275430² = 48220918323369800, which contains 22 as substring.

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, 46001 + ... + 49260.

It is an arithmetic number, because the mean of its divisors is an integer number (17575839).

Almost surely, 2^155275430 is an apocalyptic number.

155275430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155275430 is a deficient number, since it is larger than the sum of its proper divisors (125937994).

155275430 is a wasteful number, since it uses less digits than its factorization.

155275430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95431.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 155275430 is about 12460.9562233402. The cubic root of 155275430 is about 537.4865242700.

The spelling of 155275430 in words is "one hundred fifty-five million, two hundred seventy-five thousand, four hundred thirty".