152973765 has 40 divisors (see below), whose sum is σ = 313399680. Its totient is φ = 69929568.

The previous prime is 152973719. The next prime is 152973827. The reversal of 152973765 is 567379251.

It is not a de Polignac number, because 152973765 - 2¹² = 152969669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 152973765.

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 39 ways as a sum of consecutive naturals, for example, 24145 + ... + 29814.

It is an arithmetic number, because the mean of its divisors is an integer number (7834992).

Almost surely, 2^152973765 is an apocalyptic number.

152973765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152973765 is an abundant number, since it is smaller than the sum of its proper divisors (160425915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152973765 is an equidigital number, since it uses as much as digits as its factorization.

152973765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53983 (or 53974 counting only the distinct ones).

The product of its digits is 396900, while the sum is 45.

The square root of 152973765 is about 12368.2563443680. The cubic root of 152973765 is about 534.8175521357.

The spelling of 152973765 in words is "one hundred fifty-two million, nine hundred seventy-three thousand, seven hundred sixty-five".