149873822 has 16 divisors (see below), whose sum is σ = 257461632. Its totient is φ = 64097880.

The previous prime is 149873813. The next prime is 149873837. The reversal of 149873822 is 228378941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (16091352).

Almost surely, 2^149873822 is an apocalyptic number.

149873822 is a deficient number, since it is larger than the sum of its proper divisors (107587810).

149873822 is a wasteful number, since it uses less digits than its factorization.

149873822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303.

The product of its digits is 193536, while the sum is 44.

The square root of 149873822 is about 12242.2964349014. The cubic root of 149873822 is about 531.1802604278.

The spelling of 149873822 in words is "one hundred forty-nine million, eight hundred seventy-three thousand, eight hundred twenty-two".