145883498 has 4 divisors (see below), whose sum is σ = 218825250. Its totient is φ = 72941748.

The previous prime is 145883497. The next prime is 145883519. The reversal of 145883498 is 894388541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132319009 + 13564489 = 11503^2 + 3683^2 .

It is not an unprimeable number, because it can be changed into a prime (145883497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36470873 + ... + 36470876.

Almost surely, 2^145883498 is an apocalyptic number.

145883498 is a deficient number, since it is larger than the sum of its proper divisors (72941752).

145883498 is an equidigital number, since it uses as much as digits as its factorization.

145883498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72941751.

The product of its digits is 1105920, while the sum is 50.

The square root of 145883498 is about 12078.2241244315. The cubic root of 145883498 is about 526.4236468045.

The spelling of 145883498 in words is "one hundred forty-five million, eight hundred eighty-three thousand, four hundred ninety-eight".