1555133150 has 12 divisors (see below), whose sum is σ = 2892547752. Its totient is φ = 622053240.

The previous prime is 1555133131. The next prime is 1555133171. The reversal of 1555133150 is 513315551.

It is a super-2 number, since 2×1555133150² = 4836878228457845000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15551282 + ... + 15551381.

It is an arithmetic number, because the mean of its divisors is an integer number (241045646).

Almost surely, 2^1555133150 is an apocalyptic number.

1555133150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1555133150 is a deficient number, since it is larger than the sum of its proper divisors (1337414602).

1555133150 is a wasteful number, since it uses less digits than its factorization.

1555133150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31102675 (or 31102670 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 29.

The square root of 1555133150 is about 39435.1765559633. The cubic root of 1555133150 is about 1158.5706607320.

The spelling of 1555133150 in words is "one billion, five hundred fifty-five million, one hundred thirty-three thousand, one hundred fifty".