100490156 has 12 divisors (see below), whose sum is σ = 189385392. Its totient is φ = 46380048.

The previous prime is 100490153. The next prime is 100490161. The reversal of 100490156 is 651094001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (100490153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966200 + ... + 966303.

It is an arithmetic number, because the mean of its divisors is an integer number (15782116).

Almost surely, 2^100490156 is an apocalyptic number.

It is an amenable number.

100490156 is a deficient number, since it is larger than the sum of its proper divisors (88895236).

100490156 is a wasteful number, since it uses less digits than its factorization.

100490156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932520 (or 1932518 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 100490156 is about 10024.4778417631. The cubic root of 100490156 is about 464.9160152018.

The spelling of 100490156 in words is "one hundred million, four hundred ninety thousand, one hundred fifty-six".