145512373 has 2 divisors, whose sum is σ = 145512374. Its totient is φ = 145512372.

The previous prime is 145512361. The next prime is 145512407. The reversal of 145512373 is 373215541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79869969 + 65642404 = 8937^2 + 8102^2 .

It is a cyclic number.

It is not a de Polignac number, because 145512373 - 2¹³ = 145504181 is a prime.

It is a super-2 number, since 2×145512373² = 42347701392182258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145512313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72756186 + 72756187.

It is an arithmetic number, because the mean of its divisors is an integer number (72756187).

Almost surely, 2^145512373 is an apocalyptic number.

It is an amenable number.

145512373 is a deficient number, since it is larger than the sum of its proper divisors (1).

145512373 is an equidigital number, since it uses as much as digits as its factorization.

145512373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 31.

The square root of 145512373 is about 12062.8509482626. The cubic root of 145512373 is about 525.9768636182.

The spelling of 145512373 in words is "one hundred forty-five million, five hundred twelve thousand, three hundred seventy-three".