154429421697628 has 72 divisors (see below), whose sum is σ = 354779638884720. Its totient is φ = 58092572401920.

The previous prime is 154429421697623. The next prime is 154429421697631. The reversal of 154429421697628 is 826796124924451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154429421697623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1234898625 + ... + 1235023672.

It is an arithmetic number, because the mean of its divisors is an integer number (4927494984510).

Almost surely, 2^{154429421697628} is an apocalyptic number.

It is an amenable number.

154429421697628 is an abundant number, since it is smaller than the sum of its proper divisors (200350217187092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154429421697628 is a wasteful number, since it uses less digits than its factorization.

154429421697628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469922355 (or 2469922346 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 70.

The spelling of 154429421697628 in words is "one hundred fifty-four trillion, four hundred twenty-nine billion, four hundred twenty-one million, six hundred ninety-seven thousand, six hundred twenty-eight".