145373687 has 2 divisors, whose sum is σ = 145373688. Its totient is φ = 145373686.

The previous prime is 145373677. The next prime is 145373717. The reversal of 145373687 is 786373541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145373687 - 2⁴ = 145373671 is a prime.

It is a super-2 number, since 2×145373687² = 42267017743947938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145373677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72686843 + 72686844.

It is an arithmetic number, because the mean of its divisors is an integer number (72686844).

Almost surely, 2^145373687 is an apocalyptic number.

145373687 is a deficient number, since it is larger than the sum of its proper divisors (1).

145373687 is an equidigital number, since it uses as much as digits as its factorization.

145373687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 145373687 is about 12057.1011026697. The cubic root of 145373687 is about 525.8097098736.

The spelling of 145373687 in words is "one hundred forty-five million, three hundred seventy-three thousand, six hundred eighty-seven".