145423995 has 8 divisors (see below), whose sum is σ = 232678416. Its totient is φ = 77559456.

The previous prime is 145423987. The next prime is 145424003. The reversal of 145423995 is 599324541.

It is an interprime number because it is at equal distance from previous prime (145423987) and next prime (145424003).

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

It is not a de Polignac number, because 145423995 - 2³ = 145423987 is a prime.

It is a super-2 number, since 2×145423995² = 42296276643520050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847452 + ... + 4847481.

It is an arithmetic number, because the mean of its divisors is an integer number (29084802).

Almost surely, 2^145423995 is an apocalyptic number.

145423995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145423995 is a deficient number, since it is larger than the sum of its proper divisors (87254421).

145423995 is an equidigital number, since it uses as much as digits as its factorization.

145423995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694941.

The product of its digits is 194400, while the sum is 42.

The square root of 145423995 is about 12059.1871616623. The cubic root of 145423995 is about 525.8703567592.

The spelling of 145423995 in words is "one hundred forty-five million, four hundred twenty-three thousand, nine hundred ninety-five".