149021295 has 16 divisors (see below), whose sum is σ = 238920192. Its totient is φ = 79316000.

The previous prime is 149021287. The next prime is 149021297. The reversal of 149021295 is 592120941.

It is not a de Polignac number, because 149021295 - 2³ = 149021287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149021297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331 + ... + 17420.

It is an arithmetic number, because the mean of its divisors is an integer number (14932512).

Almost surely, 2^149021295 is an apocalyptic number.

149021295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149021295 is a deficient number, since it is larger than the sum of its proper divisors (89898897).

149021295 is a wasteful number, since it uses less digits than its factorization.

149021295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20262.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 149021295 is about 12207.4278617570. The cubic root of 149021295 is about 530.1711740917.

The spelling of 149021295 in words is "one hundred forty-nine million, twenty-one thousand, two hundred ninety-five".