149299017 has 32 divisors (see below), whose sum is σ = 240261120. Its totient is φ = 80559360.

The previous prime is 149299009. The next prime is 149299021. The reversal of 149299017 is 710992941.

149299017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149299017 - 2³ = 149299009 is a prime.

It is a super-3 number, since 3×149299017³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149299017.

It is not an unprimeable number, because it can be changed into a prime (149299027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236292 + ... + 236922.

It is an arithmetic number, because the mean of its divisors is an integer number (7508160).

Almost surely, 2^149299017 is an apocalyptic number.

It is an amenable number.

149299017 is a deficient number, since it is larger than the sum of its proper divisors (90962103).

149299017 is a wasteful number, since it uses less digits than its factorization.

With its successor (149299018) it forms an eRAP, since the sums of their prime factors are consecutive (1253 and 1254).

149299017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 149299017 is about 12218.7976904440. The cubic root of 149299017 is about 530.5003190546.

The spelling of 149299017 in words is "one hundred forty-nine million, two hundred ninety-nine thousand, seventeen".