145003245451515 has 48 divisors (see below), whose sum is σ = 274195590978816. Its totient is φ = 70302645921600.

The previous prime is 145003245451501. The next prime is 145003245451517. The reversal of 145003245451515 is 515154542300541.

145003245451515 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 0 + 32 + 4 + 54 + 51 + 515 = 666.

It is not a de Polignac number, because 145003245451515 - 2¹⁰ = 145003245450491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (145003245451517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13792170 + ... + 21914160.

It is an arithmetic number, because the mean of its divisors is an integer number (5712408145392).

Almost surely, 2^{145003245451515} is an apocalyptic number.

145003245451515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145003245451515 is a deficient number, since it is larger than the sum of its proper divisors (129192345527301).

145003245451515 is a wasteful number, since it uses less digits than its factorization.

145003245451515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158080 (or 8158077 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 145003245451515 in words is "one hundred forty-five trillion, three billion, two hundred forty-five million, four hundred fifty-one thousand, five hundred fifteen".