900156901 has 12 divisors (see below), whose sum is σ = 1102234080. Its totient is φ = 730953720.

The previous prime is 900156899. The next prime is 900156913. The reversal of 900156901 is 109651009.

It is not a de Polignac number, because 900156901 - 2¹ = 900156899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900156991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482505 + ... + 484366.

It is an arithmetic number, because the mean of its divisors is an integer number (91852840).

Almost surely, 2^900156901 is an apocalyptic number.

It is an amenable number.

900156901 is a deficient number, since it is larger than the sum of its proper divisors (202077179).

900156901 is a wasteful number, since it uses less digits than its factorization.

900156901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966904 (or 966897 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 900156901 is about 30002.6149027047. The cubic root of 900156901 is about 965.5454873640.

The spelling of 900156901 in words is "nine hundred million, one hundred fifty-six thousand, nine hundred one".