149026049 has 4 divisors (see below), whose sum is σ = 152196864. Its totient is φ = 145855236.

The previous prime is 149026027. The next prime is 149026051. The reversal of 149026049 is 940620941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149026049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149026079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585337 + ... + 1585430.

It is an arithmetic number, because the mean of its divisors is an integer number (38049216).

Almost surely, 2^149026049 is an apocalyptic number.

It is an amenable number.

149026049 is a deficient number, since it is larger than the sum of its proper divisors (3170815).

149026049 is an equidigital number, since it uses as much as digits as its factorization.

149026049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170814.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 149026049 is about 12207.6225777176. The cubic root of 149026049 is about 530.1768117803.

The spelling of 149026049 in words is "one hundred forty-nine million, twenty-six thousand, forty-nine".