145377559 has 2 divisors, whose sum is σ = 145377560. Its totient is φ = 145377558.

The previous prime is 145377527. The next prime is 145377611. The reversal of 145377559 is 955773541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145377559 - 2⁵ = 145377527 is a prime.

It is a super-2 number, since 2×145377559² = 42269269321596962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145377509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72688779 + 72688780.

It is an arithmetic number, because the mean of its divisors is an integer number (72688780).

Almost surely, 2^145377559 is an apocalyptic number.

145377559 is a deficient number, since it is larger than the sum of its proper divisors (1).

145377559 is an equidigital number, since it uses as much as digits as its factorization.

145377559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 661500, while the sum is 46.

The square root of 145377559 is about 12057.2616708770. The cubic root of 145377559 is about 525.8143781121.

The spelling of 145377559 in words is "one hundred forty-five million, three hundred seventy-seven thousand, five hundred fifty-nine".