145549134 has 12 divisors (see below), whose sum is σ = 315356496. Its totient is φ = 48516372.

The previous prime is 145549099. The next prime is 145549153. The reversal of 145549134 is 431945541.

It is a happy number.

145549134 is a `hidden beast` number, since 14 + 554 + 91 + 3 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4043014 + ... + 4043049.

It is an arithmetic number, because the mean of its divisors is an integer number (26279708).

Almost surely, 2^145549134 is an apocalyptic number.

145549134 is an abundant number, since it is smaller than the sum of its proper divisors (169807362).

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

145549134 is a wasteful number, since it uses less digits than its factorization.

145549134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8086071 (or 8086068 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 145549134 is about 12064.3745797285. The cubic root of 145549134 is about 526.0211526526.

The spelling of 145549134 in words is "one hundred forty-five million, five hundred forty-nine thousand, one hundred thirty-four".