173007149 has 4 divisors (see below), whose sum is σ = 197722464. Its totient is φ = 148291836.

The previous prime is 173007101. The next prime is 173007151. The reversal of 173007149 is 941700371.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941700371 = 61 ⋅15437711.

It is not a de Polignac number, because 173007149 - 2¹² = 173003053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173007169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12357647 + ... + 12357660.

It is an arithmetic number, because the mean of its divisors is an integer number (49430616).

Almost surely, 2^173007149 is an apocalyptic number.

It is an amenable number.

173007149 is a deficient number, since it is larger than the sum of its proper divisors (24715315).

173007149 is an equidigital number, since it uses as much as digits as its factorization.

173007149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24715314.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 173007149 is about 13153.2181993609. The cubic root of 173007149 is about 557.2131407123.

The spelling of 173007149 in words is "one hundred seventy-three million, seven thousand, one hundred forty-nine".