149811542454 has 32 divisors (see below), whose sum is σ = 342533399040. Its totient is φ = 42789920832.

The previous prime is 149811542401. The next prime is 149811542471. The reversal of 149811542454 is 454245118941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420994 + ... + 690549.

It is an arithmetic number, because the mean of its divisors is an integer number (10704168720).

Almost surely, 2^149811542454 is an apocalyptic number.

149811542454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149811542454 is an abundant number, since it is smaller than the sum of its proper divisors (192721856586).

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

149811542454 is a wasteful number, since it uses less digits than its factorization.

149811542454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114764.

The product of its digits is 921600, while the sum is 48.

The spelling of 149811542454 in words is "one hundred forty-nine billion, eight hundred eleven million, five hundred forty-two thousand, four hundred fifty-four".