149602869 has 40 divisors (see below), whose sum is σ = 248489472. Its totient is φ = 89074080.

The previous prime is 149602861. The next prime is 149602883. The reversal of 149602869 is 968206941.

It is a happy number.

It is not a de Polignac number, because 149602869 - 2³ = 149602861 is a prime.

It is a super-2 number, since 2×149602869² = 44762036826062322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149602861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30352 + ... + 34934.

Almost surely, 2^149602869 is an apocalyptic number.

It is an amenable number.

149602869 is a deficient number, since it is larger than the sum of its proper divisors (98886603).

149602869 is a wasteful number, since it uses less digits than its factorization.

149602869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4630 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 149602869 is about 12231.2251634904. The cubic root of 149602869 is about 530.8599649885.

The spelling of 149602869 in words is "one hundred forty-nine million, six hundred two thousand, eight hundred sixty-nine".