60902149 has 24 divisors (see below), whose sum is σ = 78107328. Its totient is φ = 46952640.

The previous prime is 60902123. The next prime is 60902173. The reversal of 60902149 is 94120906.

It is a happy number.

It is not a de Polignac number, because 60902149 - 2⁷ = 60902021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60902149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60302149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54969 + ... + 56065.

It is an arithmetic number, because the mean of its divisors is an integer number (3254472).

Almost surely, 2^60902149 is an apocalyptic number.

It is an amenable number.

60902149 is a deficient number, since it is larger than the sum of its proper divisors (17205179).

60902149 is a wasteful number, since it uses less digits than its factorization.

60902149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 60902149 is about 7803.9828933693. The cubic root of 60902149 is about 393.4391192213.

It can be divided in two parts, 60 and 902149, that added together give a palindrome (902209).

The spelling of 60902149 in words is "sixty million, nine hundred two thousand, one hundred forty-nine".