145922799 has 8 divisors (see below), whose sum is σ = 212251392. Its totient is φ = 88438040.

The previous prime is 145922789. The next prime is 145922807. The reversal of 145922799 is 997229541.

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 145922799 - 2⁵ = 145922767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145922719) 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, 2210919 + ... + 2210984.

It is an arithmetic number, because the mean of its divisors is an integer number (26531424).

Almost surely, 2^145922799 is an apocalyptic number.

145922799 is a deficient number, since it is larger than the sum of its proper divisors (66328593).

145922799 is a wasteful number, since it uses less digits than its factorization.

145922799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421917.

The product of its digits is 408240, while the sum is 48.

The square root of 145922799 is about 12079.8509510672. The cubic root of 145922799 is about 526.4709153863.

It can be divided in two parts, 14592 and 2799, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 145922799 in words is "one hundred forty-five million, nine hundred twenty-two thousand, seven hundred ninety-nine".