145937245 has 8 divisors (see below), whose sum is σ = 179396280. Its totient is φ = 113902080.

The previous prime is 145937237. The next prime is 145937257. The reversal of 145937245 is 542739541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15657849 + 130279396 = 3957^2 + 11414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145937245 - 2³ = 145937237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145937198 and 145937207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355740 + ... + 356149.

It is an arithmetic number, because the mean of its divisors is an integer number (22424535).

Almost surely, 2^145937245 is an apocalyptic number.

It is an amenable number.

145937245 is a deficient number, since it is larger than the sum of its proper divisors (33459035).

145937245 is an equidigital number, since it uses as much as digits as its factorization.

145937245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711935.

The product of its digits is 151200, while the sum is 40.

The square root of 145937245 is about 12080.4488741106. The cubic root of 145937245 is about 526.4882879238.

The spelling of 145937245 in words is "one hundred forty-five million, nine hundred thirty-seven thousand, two hundred forty-five".