155414940 has 24 divisors (see below), whose sum is σ = 435162000. Its totient is φ = 41443968.

The previous prime is 155414939. The next prime is 155414951. The reversal of 155414940 is 49414551.

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 7 ways as a sum of consecutive naturals, for example, 1295065 + ... + 1295184.

It is an arithmetic number, because the mean of its divisors is an integer number (18131750).

Almost surely, 2^155414940 is an apocalyptic number.

155414940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155414940 is an abundant number, since it is smaller than the sum of its proper divisors (279747060).

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

155414940 is a wasteful number, since it uses less digits than its factorization.

155414940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590261 (or 2590259 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 155414940 is about 12466.5528515304. The cubic root of 155414940 is about 537.6474475599.

The spelling of 155414940 in words is "one hundred fifty-five million, four hundred fourteen thousand, nine hundred forty".