145404298 has 32 divisors (see below), whose sum is σ = 259531776. Its totient is φ = 60411648.

The previous prime is 145404277. The next prime is 145404307. The reversal of 145404298 is 892404541.

It is a super-2 number, since 2×145404298² = 42284819753745608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (8110368).

Almost surely, 2^145404298 is an apocalyptic number.

145404298 is a deficient number, since it is larger than the sum of its proper divisors (114127478).

145404298 is a wasteful number, since it uses less digits than its factorization.

145404298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 145404298 is about 12058.3704537553. The cubic root of 145404298 is about 525.8466134604.

The spelling of 145404298 in words is "one hundred forty-five million, four hundred four thousand, two hundred ninety-eight".