152878654009 has 9 divisors (see below), whose sum is σ = 155090363941. Its totient is φ = 150698063740.

The previous prime is 152878654003. The next prime is 152878654057. The reversal of 152878654009 is 900456878251.

It is a happy number.

The square root of 152878654009 is 390997.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 152878654009 - 2⁹ = 152878653497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152878654003) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27758034 + ... + 27763540.

Almost surely, 2^152878654009 is an apocalyptic number.

152878654009 is the 390997-th square number.

152878654009 is the 195499-th centered octagonal number.

It is an amenable number.

152878654009 is a deficient number, since it is larger than the sum of its proper divisors (2211709932).

152878654009 is an frugal number, since it uses more digits than its factorization.

152878654009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11156 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 152878654009 in words is "one hundred fifty-two billion, eight hundred seventy-eight million, six hundred fifty-four thousand, nine".