145995250 has 16 divisors (see below), whose sum is σ = 273303576. Its totient is φ = 58398000.

The previous prime is 145995233. The next prime is 145995253. The reversal of 145995250 is 52599541.

It can be written as a sum of positive squares in 4 ways, for example, as 8003241 + 137992009 = 2829^2 + 11747^2 .

It is a super-2 number, since 2×145995250² = 42629226045125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145995253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291741 + ... + 292240.

Almost surely, 2^145995250 is an apocalyptic number.

145995250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145995250 is a deficient number, since it is larger than the sum of its proper divisors (127308326).

145995250 is an equidigital number, since it uses as much as digits as its factorization.

145995250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583998 (or 583988 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 40.

The square root of 145995250 is about 12082.8494155973. The cubic root of 145995250 is about 526.5580323037.

The spelling of 145995250 in words is "one hundred forty-five million, nine hundred ninety-five thousand, two hundred fifty".