149202449 has 16 divisors (see below), whose sum is σ = 170536320. Its totient is φ = 129212160.

The previous prime is 149202413. The next prime is 149202467. The reversal of 149202449 is 944202941.

It is a happy number.

It is not a de Polignac number, because 149202449 - 2¹² = 149198353 is a prime.

It is a super-2 number, since 2×149202449² = 44522741575195202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149202409) 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 15 ways as a sum of consecutive naturals, for example, 69017 + ... + 71145.

It is an arithmetic number, because the mean of its divisors is an integer number (10658520).

Almost surely, 2^149202449 is an apocalyptic number.

It is an amenable number.

149202449 is a deficient number, since it is larger than the sum of its proper divisors (21333871).

149202449 is a wasteful number, since it uses less digits than its factorization.

149202449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 149202449 is about 12214.8454349615. The cubic root of 149202449 is about 530.3859168636.

The spelling of 149202449 in words is "one hundred forty-nine million, two hundred two thousand, four hundred forty-nine".