145382987 has 2 divisors, whose sum is σ = 145382988. Its totient is φ = 145382986.

The previous prime is 145382971. The next prime is 145382999. The reversal of 145382987 is 789283541.

It is a happy number.

145382987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145382987 - 2⁴ = 145382971 is a prime.

It is a super-2 number, since 2×145382987² = 42272425818084338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145382917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72691493 + 72691494.

It is an arithmetic number, because the mean of its divisors is an integer number (72691494).

Almost surely, 2^145382987 is an apocalyptic number.

145382987 is a deficient number, since it is larger than the sum of its proper divisors (1).

145382987 is an equidigital number, since it uses as much as digits as its factorization.

145382987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 145382987 is about 12057.4867613446. The cubic root of 145382987 is about 525.8209221871.

The spelling of 145382987 in words is "one hundred forty-five million, three hundred eighty-two thousand, nine hundred eighty-seven".