145413499 has 8 divisors (see below), whose sum is σ = 181294848. Its totient is φ = 113309160.

The previous prime is 145413491. The next prime is 145413509. The reversal of 145413499 is 994314541.

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 145413499 - 2³ = 145413491 is a prime.

It is a super-2 number, since 2×145413499² = 42290171382846002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145413491) 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, 944167 + ... + 944320.

It is an arithmetic number, because the mean of its divisors is an integer number (22661856).

Almost surely, 2^145413499 is an apocalyptic number.

145413499 is a deficient number, since it is larger than the sum of its proper divisors (35881349).

145413499 is a wasteful number, since it uses less digits than its factorization.

145413499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888505.

The product of its digits is 77760, while the sum is 40.

The square root of 145413499 is about 12058.7519669326. The cubic root of 145413499 is about 525.8577048626.

The spelling of 145413499 in words is "one hundred forty-five million, four hundred thirteen thousand, four hundred ninety-nine".