145288098 has 24 divisors (see below), whose sum is σ = 331359600. Its totient is φ = 45880344.

The previous prime is 145288063. The next prime is 145288141. The reversal of 145288098 is 890882541.

It is a happy number.

It is a super-2 number, since 2×145288098² = 42217262840915208, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 212068 + ... + 212751.

It is an arithmetic number, because the mean of its divisors is an integer number (13806650).

Almost surely, 2^145288098 is an apocalyptic number.

145288098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145288098 is an abundant number, since it is smaller than the sum of its proper divisors (186071502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145288098 is a wasteful number, since it uses less digits than its factorization.

145288098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424846 (or 424843 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 145288098 is about 12053.5512609355. The cubic root of 145288098 is about 525.7064991688.

The spelling of 145288098 in words is "one hundred forty-five million, two hundred eighty-eight thousand, ninety-eight".