145374723 has 32 divisors (see below), whose sum is σ = 232814400. Its totient is φ = 89123328.

The previous prime is 145374683. The next prime is 145374727. The reversal of 145374723 is 327473541.

It is not a de Polignac number, because 145374723 - 2¹² = 145370627 is a prime.

It is a super-2 number, since 2×145374723² = 42267620174653458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145374727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117673 + ... + 118901.

It is an arithmetic number, because the mean of its divisors is an integer number (7275450).

Almost surely, 2^145374723 is an apocalyptic number.

145374723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145374723 is a deficient number, since it is larger than the sum of its proper divisors (87439677).

145374723 is a wasteful number, since it uses less digits than its factorization.

145374723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1582 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 145374723 is about 12057.1440648273. The cubic root of 145374723 is about 525.8109589249.

It can be divided in two parts, 1453 and 74723, that added together give a square (76176 = 276²).

The spelling of 145374723 in words is "one hundred forty-five million, three hundred seventy-four thousand, seven hundred twenty-three".