145615115445 has 16 divisors (see below), whose sum is σ = 232989141312. Its totient is φ = 77659742720.

The previous prime is 145615115431. The next prime is 145615115453. The reversal of 145615115445 is 544511516541.

It is a happy number.

It is not a de Polignac number, because 145615115445 - 2⁶ = 145615115381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145615115397 and 145615115406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018210 + ... + 1152380.

It is an arithmetic number, because the mean of its divisors is an integer number (14561821332).

Almost surely, 2^145615115445 is an apocalyptic number.

145615115445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145615115445 is a deficient number, since it is larger than the sum of its proper divisors (87374025867).

145615115445 is a wasteful number, since it uses less digits than its factorization.

145615115445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206532.

The product of its digits is 240000, while the sum is 42.

The spelling of 145615115445 in words is "one hundred forty-five billion, six hundred fifteen million, one hundred fifteen thousand, four hundred forty-five".