149542001554 has 32 divisors (see below), whose sum is σ = 256156618752. Its totient is φ = 64854426000.

The previous prime is 149542001533. The next prime is 149542001633. The reversal of 149542001554 is 455100245941.

149542001554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495732 + ... + 1592575.

It is an arithmetic number, because the mean of its divisors is an integer number (8004894336).

Almost surely, 2^149542001554 is an apocalyptic number.

149542001554 is a deficient number, since it is larger than the sum of its proper divisors (106614617198).

149542001554 is a wasteful number, since it uses less digits than its factorization.

149542001554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088422.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 149542001554 in words is "one hundred forty-nine billion, five hundred forty-two million, one thousand, five hundred fifty-four".