145258773 has 16 divisors (see below), whose sum is σ = 216201216. Its totient is φ = 85987440.

The previous prime is 145258739. The next prime is 145258783. The reversal of 145258773 is 377852541.

It is not a de Polignac number, because 145258773 - 2⁸ = 145258517 is a prime.

It is a super-2 number, since 2×145258773² = 42200222266931058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145258733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49765 + ... + 52602.

It is an arithmetic number, because the mean of its divisors is an integer number (13512576).

Almost surely, 2^145258773 is an apocalyptic number.

It is an amenable number.

145258773 is a deficient number, since it is larger than the sum of its proper divisors (70942443).

145258773 is a wasteful number, since it uses less digits than its factorization.

145258773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102424.

The product of its digits is 235200, while the sum is 42.

The square root of 145258773 is about 12052.3347530676. The cubic root of 145258773 is about 525.6711271949.

It can be divided in two parts, 1452587 and 73, that added together give a triangular number (1452660 = T₁₇₀₄).

The spelling of 145258773 in words is "one hundred forty-five million, two hundred fifty-eight thousand, seven hundred seventy-three".