145898541 has 24 divisors (see below), whose sum is σ = 216827520. Its totient is φ = 94478400.

The previous prime is 145898537. The next prime is 145898551.

It is a happy number.

145898541 is a `hidden beast` number, since 14 + 5 + 8 + 98 + 541 = 666.

145898541 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 145898541 - 2² = 145898537 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145898551) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 99270 + ... + 100728.

It is an arithmetic number, because the mean of its divisors is an integer number (9034480).

Almost surely, 2^145898541 is an apocalyptic number.

It is an amenable number.

145898541 is a deficient number, since it is larger than the sum of its proper divisors (70928979).

145898541 is a wasteful number, since it uses less digits than its factorization.

145898541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1774 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 145898541 is about 12078.8468406549. The cubic root of 145898541 is about 526.4417405091.

It can be divided in two parts, 1458 and 98541, that added together give a palindrome (99999).

The spelling of 145898541 in words is "one hundred forty-five million, eight hundred ninety-eight thousand, five hundred forty-one".