145054366515 has 192 divisors, whose sum is σ = 282935531520. Its totient is φ = 70249006080.

The previous prime is 145054366511. The next prime is 145054366519. The reversal of 145054366515 is 515663450541.

145054366515 is a `hidden beast` number, since 1 + 4 + 50 + 54 + 36 + 6 + 515 = 666.

It is an interprime number because it is at equal distance from previous prime (145054366511) and next prime (145054366519).

It is not a de Polignac number, because 145054366515 - 2² = 145054366511 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 (145054366511) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 535255830 + ... + 535256100.

It is an arithmetic number, because the mean of its divisors is an integer number (1473622560).

Almost surely, 2^145054366515 is an apocalyptic number.

145054366515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145054366515 is a deficient number, since it is larger than the sum of its proper divisors (137881165005).

145054366515 is a wasteful number, since it uses less digits than its factorization.

145054366515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 145054366515 in words is "one hundred forty-five billion, fifty-four million, three hundred sixty-six thousand, five hundred fifteen".