145398982 has 16 divisors (see below), whose sum is σ = 237495600. Its totient is φ = 66497760.

The previous prime is 145398973. The next prime is 145399003. The reversal of 145398982 is 289893541.

It is a super-2 number, since 2×145398982² = 42281727933272648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64869 + ... + 67072.

It is an arithmetic number, because the mean of its divisors is an integer number (14843475).

Almost surely, 2^145398982 is an apocalyptic number.

145398982 is a deficient number, since it is larger than the sum of its proper divisors (92096618).

145398982 is a wasteful number, since it uses less digits than its factorization.

145398982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131991.

The product of its digits is 622080, while the sum is 49.

The square root of 145398982 is about 12058.1500239465. The cubic root of 145398982 is about 525.8402050422.

The spelling of 145398982 in words is "one hundred forty-five million, three hundred ninety-eight thousand, nine hundred eighty-two".