145237199 has 8 divisors (see below), whose sum is σ = 147432960. Its totient is φ = 143057176.

The previous prime is 145237177. The next prime is 145237207. The reversal of 145237199 is 991732541.

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

It is a cyclic number.

It is not a de Polignac number, because 145237199 - 2⁸ = 145236943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145231199) 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, 15362 + ... + 22944.

It is an arithmetic number, because the mean of its divisors is an integer number (18429120).

Almost surely, 2^145237199 is an apocalyptic number.

145237199 is a deficient number, since it is larger than the sum of its proper divisors (2195761).

145237199 is a wasteful number, since it uses less digits than its factorization.

145237199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869.

The product of its digits is 68040, while the sum is 41.

The square root of 145237199 is about 12051.4397065247. The cubic root of 145237199 is about 525.6451014796.

The spelling of 145237199 in words is "one hundred forty-five million, two hundred thirty-seven thousand, one hundred ninety-nine".