149419249 has 16 divisors (see below), whose sum is σ = 180714880. Its totient is φ = 120683520.

The previous prime is 149419229. The next prime is 149419261. The reversal of 149419249 is 942914941.

It is a cyclic number.

It is not a de Polignac number, because 149419249 - 2⁵ = 149419217 is a prime.

It is a super-2 number, since 2×149419249² = 44652223943448002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149419229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22759 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (11294680).

Almost surely, 2^149419249 is an apocalyptic number.

149419249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149419249 is a deficient number, since it is larger than the sum of its proper divisors (31295631).

149419249 is a wasteful number, since it uses less digits than its factorization.

149419249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040.

The product of its digits is 93312, while the sum is 43.

The square root of 149419249 is about 12223.7166606560. The cubic root of 149419249 is about 530.6426865923.

The spelling of 149419249 in words is "one hundred forty-nine million, four hundred nineteen thousand, two hundred forty-nine".