155021413454 has 8 divisors (see below), whose sum is σ = 232612229520. Its totient is φ = 77484003616.

The previous prime is 155021413439. The next prime is 155021413457. The reversal of 155021413454 is 454314120551.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155021413457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13344299 + ... + 13355910.

It is an arithmetic number, because the mean of its divisors is an integer number (29076528690).

Almost surely, 2^155021413454 is an apocalyptic number.

155021413454 is a deficient number, since it is larger than the sum of its proper divisors (77590816066).

155021413454 is a wasteful number, since it uses less digits than its factorization.

155021413454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26703114.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 155021413454 in words is "one hundred fifty-five billion, twenty-one million, four hundred thirteen thousand, four hundred fifty-four".