91142202 has 64 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 26807040.

The previous prime is 91142173. The next prime is 91142231. The reversal of 91142202 is 20224119.

It is an interprime number because it is at equal distance from previous prime (91142173) and next prime (91142231).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253699 + ... + 254057.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^91142202 is an apocalyptic number.

91142202 is an abundant number, since it is smaller than the sum of its proper divisors (114144198).

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

91142202 is a wasteful number, since it uses less digits than its factorization.

91142202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 91142202 is about 9546.8425146747. The cubic root of 91142202 is about 450.0283142678.

The spelling of 91142202 in words is "ninety-one million, one hundred forty-two thousand, two hundred two".