91464155 has 8 divisors (see below), whose sum is σ = 109970784. Its totient is φ = 73028800.

The previous prime is 91464151. The next prime is 91464211. The reversal of 91464155 is 55146419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91464155 - 2² = 91464151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91464151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14951 + ... + 20160.

It is an arithmetic number, because the mean of its divisors is an integer number (13746348).

Almost surely, 2^91464155 is an apocalyptic number.

91464155 is a deficient number, since it is larger than the sum of its proper divisors (18506629).

91464155 is a wasteful number, since it uses less digits than its factorization.

91464155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35637.

The product of its digits is 21600, while the sum is 35.

The square root of 91464155 is about 9563.6894031540. The cubic root of 91464155 is about 450.5575886498.

It can be divided in two parts, 91464 and 155, that added together give a palindrome (91619).

The spelling of 91464155 in words is "ninety-one million, four hundred sixty-four thousand, one hundred fifty-five".