148973365 has 8 divisors (see below), whose sum is σ = 178930008. Its totient is φ = 119070720.

The previous prime is 148973353. The next prime is 148973387. The reversal of 148973365 is 563379841.

It can be written as a sum of positive squares in 4 ways, for example, as 18054001 + 130919364 = 4249^2 + 11442^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-148973365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7156 + ... + 18685.

It is an arithmetic number, because the mean of its divisors is an integer number (22366251).

Almost surely, 2^148973365 is an apocalyptic number.

It is an amenable number.

148973365 is a deficient number, since it is larger than the sum of its proper divisors (29956643).

148973365 is a wasteful number, since it uses less digits than its factorization.

148973365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26999.

The product of its digits is 544320, while the sum is 46.

The square root of 148973365 is about 12205.4645548623. The cubic root of 148973365 is about 530.1143280121.

The spelling of 148973365 in words is "one hundred forty-eight million, nine hundred seventy-three thousand, three hundred sixty-five".