149072473 has 16 divisors (see below), whose sum is σ = 173574144. Its totient is φ = 126524160.

The previous prime is 149072431. The next prime is 149072479. The reversal of 149072473 is 374270941.

It is a cyclic number.

It is not a de Polignac number, because 149072473 - 2⁹ = 149071961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149072479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20611 + ... + 26887.

It is an arithmetic number, because the mean of its divisors is an integer number (10848384).

Almost surely, 2^149072473 is an apocalyptic number.

It is an amenable number.

149072473 is a deficient number, since it is larger than the sum of its proper divisors (24501671).

149072473 is a wasteful number, since it uses less digits than its factorization.

149072473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 149072473 is about 12209.5238645903. The cubic root of 149072473 is about 530.2318589195.

The spelling of 149072473 in words is "one hundred forty-nine million, seventy-two thousand, four hundred seventy-three".