149069973 has 32 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 87759360.

The previous prime is 149069959. The next prime is 149069981. The reversal of 149069973 is 379960941.

It is not a de Polignac number, because 149069973 - 2⁵ = 149069941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149069993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83868 + ... + 85626.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^149069973 is an apocalyptic number.

149069973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

149069973 is a deficient number, since it is larger than the sum of its proper divisors (74464107).

149069973 is a wasteful number, since it uses less digits than its factorization.

149069973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 149069973 is about 12209.4214850664. The cubic root of 149069973 is about 530.2288948420.

The spelling of 149069973 in words is "one hundred forty-nine million, sixty-nine thousand, nine hundred seventy-three".