145725592 has 24 divisors (see below), whose sum is σ = 288378900. Its totient is φ = 69026544.

The previous prime is 145725589. The next prime is 145725617. The reversal of 145725592 is 295527541.

It is a happy number.

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 in 5 ways as a sum of consecutive naturals, for example, 22342 + ... + 28117.

Almost surely, 2^145725592 is an apocalyptic number.

It is an amenable number.

145725592 is a deficient number, since it is larger than the sum of its proper divisors (142653308).

145725592 is a wasteful number, since it uses less digits than its factorization.

145725592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50503 (or 50480 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 145725592 is about 12071.6855492512. The cubic root of 145725592 is about 526.2336425350.

It can be divided in two parts, 14572 and 5592, that added together give a square (20164 = 142²).

The spelling of 145725592 in words is "one hundred forty-five million, seven hundred twenty-five thousand, five hundred ninety-two".