155451653 has 8 divisors (see below), whose sum is σ = 178590720. Its totient is φ = 132545520.

The previous prime is 155451601. The next prime is 155451671. The reversal of 155451653 is 356154551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155451653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155451353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56798 + ... + 59471.

It is an arithmetic number, because the mean of its divisors is an integer number (22323840).

Almost surely, 2^155451653 is an apocalyptic number.

It is an amenable number.

155451653 is a deficient number, since it is larger than the sum of its proper divisors (23139067).

155451653 is a wasteful number, since it uses less digits than its factorization.

155451653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116467.

The product of its digits is 45000, while the sum is 35.

The square root of 155451653 is about 12468.0252245494. The cubic root of 155451653 is about 537.6897796048.

The spelling of 155451653 in words is "one hundred fifty-five million, four hundred fifty-one thousand, six hundred fifty-three".