91962145 has 16 divisors (see below), whose sum is σ = 121072320. Its totient is φ = 66500800.

The previous prime is 91962137. The next prime is 91962149. The reversal of 91962145 is 54126919.

It is not a de Polignac number, because 91962145 - 2³ = 91962137 is a prime.

It is a super-3 number, since 3×91962145³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (91962149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5175 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (7567020).

Almost surely, 2^91962145 is an apocalyptic number.

It is an amenable number.

91962145 is a deficient number, since it is larger than the sum of its proper divisors (29110175).

91962145 is a wasteful number, since it uses less digits than its factorization.

91962145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536.

The product of its digits is 19440, while the sum is 37.

The square root of 91962145 is about 9589.6895153076. The cubic root of 91962145 is about 451.3738180239.

The spelling of 91962145 in words is "ninety-one million, nine hundred sixty-two thousand, one hundred forty-five".