153994965 has 8 divisors (see below), whose sum is σ = 246391968. Its totient is φ = 82130640.

The previous prime is 153994961. The next prime is 153995029. The reversal of 153994965 is 569499351.

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

It is not a de Polignac number, because 153994965 - 2² = 153994961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153994961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5133151 + ... + 5133180.

It is an arithmetic number, because the mean of its divisors is an integer number (30798996).

Almost surely, 2^153994965 is an apocalyptic number.

153994965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153994965 is a deficient number, since it is larger than the sum of its proper divisors (92397003).

153994965 is a wasteful number, since it uses less digits than its factorization.

153994965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10266339.

The product of its digits is 1312200, while the sum is 51.

The square root of 153994965 is about 12409.4707784015. The cubic root of 153994965 is about 536.0049994429.

The spelling of 153994965 in words is "one hundred fifty-three million, nine hundred ninety-four thousand, nine hundred sixty-five".