91412145 has 120 divisors (see below), whose sum is σ = 192570048. Its totient is φ = 41126400.

The previous prime is 91412131. The next prime is 91412159. The reversal of 91412145 is 54121419.

It is an interprime number because it is at equal distance from previous prime (91412131) and next prime (91412159).

It is not a de Polignac number, because 91412145 - 2¹⁴ = 91395761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1287460 + ... + 1287530.

Almost surely, 2^91412145 is an apocalyptic number.

It is an amenable number.

91412145 is an abundant number, since it is smaller than the sum of its proper divisors (101157903).

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

91412145 is a wasteful number, since it uses less digits than its factorization.

91412145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 107 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 91412145 is about 9560.9698775804. The cubic root of 91412145 is about 450.4721710589.

The spelling of 91412145 in words is "ninety-one million, four hundred twelve thousand, one hundred forty-five".