149892554 has 16 divisors (see below), whose sum is σ = 259848000. Its totient is φ = 63517344.

The previous prime is 149892551. The next prime is 149892581. The reversal of 149892554 is 455298941.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 149892499 and 149892508.

It is not an unprimeable number, because it can be changed into a prime (149892551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58904 + ... + 61395.

It is an arithmetic number, because the mean of its divisors is an integer number (16240500).

Almost surely, 2^149892554 is an apocalyptic number.

149892554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149892554 is a deficient number, since it is larger than the sum of its proper divisors (109955446).

149892554 is a wasteful number, since it uses less digits than its factorization.

149892554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120397.

The product of its digits is 518400, while the sum is 47.

The square root of 149892554 is about 12243.0614635393. The cubic root of 149892554 is about 531.2023893849.

The spelling of 149892554 in words is "one hundred forty-nine million, eight hundred ninety-two thousand, five hundred fifty-four".