149405522 has 8 divisors (see below), whose sum is σ = 256123776. Its totient is φ = 64030932.

The previous prime is 149405497. The next prime is 149405573. The reversal of 149405522 is 225504941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5335898 + ... + 5335925.

It is an arithmetic number, because the mean of its divisors is an integer number (32015472).

Almost surely, 2^149405522 is an apocalyptic number.

149405522 is a deficient number, since it is larger than the sum of its proper divisors (106718254).

149405522 is a wasteful number, since it uses less digits than its factorization.

149405522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671832.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 149405522 is about 12223.1551573233. The cubic root of 149405522 is about 530.6264362201.

The spelling of 149405522 in words is "one hundred forty-nine million, four hundred five thousand, five hundred twenty-two".