145954574 has 4 divisors (see below), whose sum is σ = 218931864. Its totient is φ = 72977286.

The previous prime is 145954559. The next prime is 145954583. The reversal of 145954574 is 475459541.

145954574 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 475459541 = 6607 ⋅71963.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36488642 + ... + 36488645.

It is an arithmetic number, because the mean of its divisors is an integer number (54732966).

Almost surely, 2^145954574 is an apocalyptic number.

145954574 is a deficient number, since it is larger than the sum of its proper divisors (72977290).

145954574 is an equidigital number, since it uses as much as digits as its factorization.

145954574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72977289.

The product of its digits is 504000, while the sum is 44.

The square root of 145954574 is about 12081.1660861028. The cubic root of 145954574 is about 526.5091260003.

The spelling of 145954574 in words is "one hundred forty-five million, nine hundred fifty-four thousand, five hundred seventy-four".