145423476 has 36 divisors (see below), whose sum is σ = 401017344. Its totient is φ = 44067600.

The previous prime is 145423471. The next prime is 145423477. The reversal of 145423476 is 674324541.

145423476 is a `hidden beast` number, since 14 + 542 + 34 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×145423476² = 42295974743845152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145423476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145423471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183220 + ... + 184011.

Almost surely, 2^145423476 is an apocalyptic number.

It is an amenable number.

145423476 is an abundant number, since it is smaller than the sum of its proper divisors (255593868).

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

145423476 is a wasteful number, since it uses less digits than its factorization.

145423476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367252 (or 367247 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 145423476 is about 12059.1656427798. The cubic root of 145423476 is about 525.8697311700.

The spelling of 145423476 in words is "one hundred forty-five million, four hundred twenty-three thousand, four hundred seventy-six".