145415229999 has 8 divisors (see below), whose sum is σ = 208801355952. Its totient is φ = 89486295360.

The previous prime is 145415229943. The next prime is 145415230043. The reversal of 145415229999 is 999922514541.

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

It is not a de Polignac number, because 145415229999 - 2²¹ = 145413132847 is a prime.

It is a super-2 number, since 2×145415229999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145415229929) 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, 1864297782 + ... + 1864297859.

It is an arithmetic number, because the mean of its divisors is an integer number (26100169494).

Almost surely, 2^145415229999 is an apocalyptic number.

145415229999 is a deficient number, since it is larger than the sum of its proper divisors (63386125953).

145415229999 is a wasteful number, since it uses less digits than its factorization.

145415229999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728595657.

The product of its digits is 10497600, while the sum is 60.

The spelling of 145415229999 in words is "one hundred forty-five billion, four hundred fifteen million, two hundred twenty-nine thousand, nine hundred ninety-nine".