145364999 has 4 divisors (see below), whose sum is σ = 156546936. Its totient is φ = 134183064.

The previous prime is 145364993. The next prime is 145365001. The reversal of 145364999 is 999463541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145364999 - 2¹² = 145360903 is a prime.

It is a super-2 number, since 2×145364999² = 42261965868540002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145364993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5590949 + ... + 5590974.

It is an arithmetic number, because the mean of its divisors is an integer number (39136734).

Almost surely, 2^145364999 is an apocalyptic number.

145364999 is a deficient number, since it is larger than the sum of its proper divisors (11181937).

145364999 is a wasteful number, since it uses less digits than its factorization.

145364999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11181936.

The product of its digits is 1049760, while the sum is 50.

The square root of 145364999 is about 12056.7408116788. The cubic root of 145364999 is about 525.7992349707.

The spelling of 145364999 in words is "one hundred forty-five million, three hundred sixty-four thousand, nine hundred ninety-nine".