49149165 has 32 divisors (see below), whose sum is σ = 85067136. Its totient is φ = 24088320.

The previous prime is 49149157. The next prime is 49149173. The reversal of 49149165 is 56194194.

It is an interprime number because it is at equal distance from previous prime (49149157) and next prime (49149173).

It is not a de Polignac number, because 49149165 - 2³ = 49149157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 59455 + ... + 60275.

It is an arithmetic number, because the mean of its divisors is an integer number (2658348).

Almost surely, 2^49149165 is an apocalyptic number.

It is an amenable number.

49149165 is a deficient number, since it is larger than the sum of its proper divisors (35917971).

49149165 is a wasteful number, since it uses less digits than its factorization.

49149165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 38880, while the sum is 39.

The square root of 49149165 is about 7010.6465465034. The cubic root of 49149165 is about 366.3015148061.

The spelling of 49149165 in words is "forty-nine million, one hundred forty-nine thousand, one hundred sixty-five".