145267470 has 24 divisors (see below), whose sum is σ = 377695656. Its totient is φ = 38737968.

The previous prime is 145267429. The next prime is 145267477. The reversal of 145267470 is 74762541.

It is a super-2 number, since 2×145267470² = 42205275680401800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145267477) 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, 806952 + ... + 807131.

It is an arithmetic number, because the mean of its divisors is an integer number (15737319).

Almost surely, 2^145267470 is an apocalyptic number.

145267470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145267470 is an abundant number, since it is smaller than the sum of its proper divisors (232428186).

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

145267470 is a wasteful number, since it uses less digits than its factorization.

145267470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614096 (or 1614093 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 145267470 is about 12052.6955491292. The cubic root of 145267470 is about 525.6816180599.

The spelling of 145267470 in words is "one hundred forty-five million, two hundred sixty-seven thousand, four hundred seventy".