202401156 has 12 divisors (see below), whose sum is σ = 472269392. Its totient is φ = 67467048.

The previous prime is 202401151. The next prime is 202401163. The reversal of 202401156 is 651104202.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (202401151) 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, 8433370 + ... + 8433393.

Almost surely, 2^202401156 is an apocalyptic number.

It is an amenable number.

202401156 is an abundant number, since it is smaller than the sum of its proper divisors (269868236).

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

202401156 is a wasteful number, since it uses less digits than its factorization.

202401156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16866770 (or 16866768 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 202401156 is about 14226.7760226975. The cubic root of 202401156 is about 587.1345846555.

Adding to 202401156 its reverse (651104202), we get a palindrome (853505358).

The spelling of 202401156 in words is "two hundred two million, four hundred one thousand, one hundred fifty-six".