155433012430402 has 48 divisors (see below), whose sum is σ = 285730945692480. Its totient is φ = 63054703303200.

The previous prime is 155433012430391. The next prime is 155433012430411. The reversal of 155433012430402 is 204034210334551.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33142374 + ... + 37540417.

It is an arithmetic number, because the mean of its divisors is an integer number (5952728035260).

Almost surely, 2^{155433012430402} is an apocalyptic number.

155433012430402 is a deficient number, since it is larger than the sum of its proper divisors (130297933262078).

155433012430402 is a wasteful number, since it uses less digits than its factorization.

155433012430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70684007 (or 70684000 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 155433012430402 its reverse (204034210334551), we get a palindrome (359467222764953).

The spelling of 155433012430402 in words is "one hundred fifty-five trillion, four hundred thirty-three billion, twelve million, four hundred thirty thousand, four hundred two".