145722376 has 32 divisors (see below), whose sum is σ = 276920280. Its totient is φ = 71884800.

The previous prime is 145722359. The next prime is 145722397. The reversal of 145722376 is 673227541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98525476 + 47196900 = 9926^2 + 6870^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227016 + ... + 227656.

Almost surely, 2^145722376 is an apocalyptic number.

It is an amenable number.

145722376 is a deficient number, since it is larger than the sum of its proper divisors (131197904).

145722376 is a wasteful number, since it uses less digits than its factorization.

145722376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 981 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 145722376 is about 12071.5523442513. The cubic root of 145722376 is about 526.2297713782.

The spelling of 145722376 in words is "one hundred forty-five million, seven hundred twenty-two thousand, three hundred seventy-six".