145098554 has 16 divisors (see below), whose sum is σ = 231137280. Its totient is φ = 68120640.

The previous prime is 145098533. The next prime is 145098557. The reversal of 145098554 is 455890541.

It is not an unprimeable number, because it can be changed into a prime (145098557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12602 + ... + 21189.

It is an arithmetic number, because the mean of its divisors is an integer number (14446080).

Almost surely, 2^145098554 is an apocalyptic number.

145098554 is a deficient number, since it is larger than the sum of its proper divisors (86038726).

145098554 is a wasteful number, since it uses less digits than its factorization.

145098554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33925.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 145098554 is about 12045.6861157844. The cubic root of 145098554 is about 525.4777860628.

The spelling of 145098554 in words is "one hundred forty-five million, ninety-eight thousand, five hundred fifty-four".