146144454 has 16 divisors (see below), whose sum is σ = 292459248. Its totient is φ = 48686432.

The previous prime is 146144443. The next prime is 146144489. The reversal of 146144454 is 454441641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5884 + ... + 18080.

It is an arithmetic number, because the mean of its divisors is an integer number (18278703).

Almost surely, 2^146144454 is an apocalyptic number.

146144454 is an abundant number, since it is smaller than the sum of its proper divisors (146314794).

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

146144454 is a wasteful number, since it uses less digits than its factorization.

146144454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14199.

The product of its digits is 30720, while the sum is 33.

The square root of 146144454 is about 12089.0220448140. The cubic root of 146144454 is about 526.7373482199.

The spelling of 146144454 in words is "one hundred forty-six million, one hundred forty-four thousand, four hundred fifty-four".