145958715 has 48 divisors (see below), whose sum is σ = 289987776. Its totient is φ = 66528000.

The previous prime is 145958699. The next prime is 145958717. The reversal of 145958715 is 517859541.

145958715 is a `hidden beast` number, since 1 + 4 + 59 + 587 + 15 = 666.

It is not a de Polignac number, because 145958715 - 2⁴ = 145958699 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 (145958717) 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, 207865 + ... + 208565.

It is an arithmetic number, because the mean of its divisors is an integer number (6041412).

Almost surely, 2^145958715 is an apocalyptic number.

145958715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145958715 is a deficient number, since it is larger than the sum of its proper divisors (144029061).

145958715 is a wasteful number, since it uses less digits than its factorization.

145958715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1377 counting only the distinct ones).

The product of its digits is 252000, while the sum is 45.

The square root of 145958715 is about 12081.3374673502. The cubic root of 145958715 is about 526.5141052977.

The spelling of 145958715 in words is "one hundred forty-five million, nine hundred fifty-eight thousand, seven hundred fifteen".