145098538 has 16 divisors (see below), whose sum is σ = 241952256. Its totient is φ = 64807920.

The previous prime is 145098533. The next prime is 145098557. The reversal of 145098538 is 835890541.

It is a junction number, because it is equal to n+sod(n) for n = 145098494 and 145098503.

It is not an unprimeable number, because it can be changed into a prime (145098533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89206 + ... + 90817.

It is an arithmetic number, because the mean of its divisors is an integer number (15122016).

Almost surely, 2^145098538 is an apocalyptic number.

145098538 is a deficient number, since it is larger than the sum of its proper divisors (96853718).

145098538 is a wasteful number, since it uses less digits than its factorization.

145098538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180069.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 145098538 is about 12045.6854516462. The cubic root of 145098538 is about 525.4777667480.

The spelling of 145098538 in words is "one hundred forty-five million, ninety-eight thousand, five hundred thirty-eight".