145270087 has 2 divisors, whose sum is σ = 145270088. Its totient is φ = 145270086.

The previous prime is 145270051. The next prime is 145270109. The reversal of 145270087 is 780072541.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (780072541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145270087 - 2⁷ = 145269959 is a prime.

It is a super-2 number, since 2×145270087² = 42206796353975138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145270187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72635043 + 72635044.

It is an arithmetic number, because the mean of its divisors is an integer number (72635044).

Almost surely, 2^145270087 is an apocalyptic number.

145270087 is a deficient number, since it is larger than the sum of its proper divisors (1).

145270087 is an equidigital number, since it uses as much as digits as its factorization.

145270087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 145270087 is about 12052.8041135663. The cubic root of 145270087 is about 525.6847747670.

The spelling of 145270087 in words is "one hundred forty-five million, two hundred seventy thousand, eighty-seven".