155401700 has 36 divisors (see below), whose sum is σ = 338020032. Its totient is φ = 62013600.

The previous prime is 155401681. The next prime is 155401723. The reversal of 155401700 is 7104551.

155401700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47105 + ... + 50295.

Almost surely, 2^155401700 is an apocalyptic number.

155401700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155401700 is an abundant number, since it is smaller than the sum of its proper divisors (182618332).

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

155401700 is a wasteful number, since it uses less digits than its factorization.

155401700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 155401700 is about 12466.0218193295. The cubic root of 155401700 is about 537.6321794989.

The spelling of 155401700 in words is "one hundred fifty-five million, four hundred one thousand, seven hundred".