154136163021450 has 96 divisors (see below), whose sum is σ = 387699734962176. Its totient is φ = 40521389088960.

The previous prime is 154136163021443. The next prime is 154136163021469. The reversal of 154136163021450 is 54120361631451.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18923374 + ... + 25814073.

It is an arithmetic number, because the mean of its divisors is an integer number (4038538905856).

Almost surely, 2^{154136163021450} is an apocalyptic number.

154136163021450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154136163021450 is an abundant number, since it is smaller than the sum of its proper divisors (233563571940726).

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

154136163021450 is a wasteful number, since it uses less digits than its factorization.

154136163021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44737788 (or 44737783 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 154136163021450 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, one hundred sixty-three million, twenty-one thousand, four hundred fifty".