145774146 has 32 divisors (see below), whose sum is σ = 333573120. Its totient is φ = 41602896.

The previous prime is 145774129. The next prime is 145774157. The reversal of 145774146 is 641477541.

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, 56145 + ... + 58683.

It is an arithmetic number, because the mean of its divisors is an integer number (10424160).

Almost surely, 2^145774146 is an apocalyptic number.

145774146 is an abundant number, since it is smaller than the sum of its proper divisors (187798974).

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

145774146 is a wasteful number, since it uses less digits than its factorization.

145774146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918.

The product of its digits is 94080, while the sum is 39.

The square root of 145774146 is about 12073.6964513773. The cubic root of 145774146 is about 526.2920809345.

The spelling of 145774146 in words is "one hundred forty-five million, seven hundred seventy-four thousand, one hundred forty-six".