155154415454 has 8 divisors (see below), whose sum is σ = 244980656040. Its totient is φ = 73494196776.

The previous prime is 155154415411. The next prime is 155154415463. The reversal of 155154415454 is 454514451551.

It is a happy number.

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

It is a super-2 number, since 2×155154415454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041505429 + ... + 2041505504.

It is an arithmetic number, because the mean of its divisors is an integer number (30622582005).

Almost surely, 2^155154415454 is an apocalyptic number.

155154415454 is a deficient number, since it is larger than the sum of its proper divisors (89826240586).

155154415454 is a wasteful number, since it uses less digits than its factorization.

155154415454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083010954.

The product of its digits is 800000, while the sum is 44.

The spelling of 155154415454 in words is "one hundred fifty-five billion, one hundred fifty-four million, four hundred fifteen thousand, four hundred fifty-four".