155071600 has 30 divisors (see below), whose sum is σ = 372560480. Its totient is φ = 62028480.

The previous prime is 155071583. The next prime is 155071619. The reversal of 155071600 is 6170551.

It is a super-2 number, since 2×155071600² = 48094402253120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 193440 + ... + 194239.

Almost surely, 2^155071600 is an apocalyptic number.

155071600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155071600 is an abundant number, since it is smaller than the sum of its proper divisors (217488880).

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

155071600 is a wasteful number, since it uses less digits than its factorization.

155071600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387697 (or 387686 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 155071600 is about 12452.7747911861. The cubic root of 155071600 is about 537.2512351643.

The spelling of 155071600 in words is "one hundred fifty-five million, seventy-one thousand, six hundred".