155450663 has 8 divisors (see below), whose sum is σ = 158847360. Its totient is φ = 152079480.

The previous prime is 155450651. The next prime is 155450671. The reversal of 155450663 is 366054551.

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

It is a cyclic number.

It is not a de Polignac number, because 155450663 - 2⁶ = 155450599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155450623) 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, 6206 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (19855920).

Almost surely, 2^155450663 is an apocalyptic number.

155450663 is a deficient number, since it is larger than the sum of its proper divisors (3396697).

155450663 is a wasteful number, since it uses less digits than its factorization.

155450663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12757.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 155450663 is about 12467.9855229303. The cubic root of 155450663 is about 537.6886381695.

The spelling of 155450663 in words is "one hundred fifty-five million, four hundred fifty thousand, six hundred sixty-three".