154113541 has 4 divisors (see below), whose sum is σ = 162224800. Its totient is φ = 146002284.

The previous prime is 154113539. The next prime is 154113571. The reversal of 154113541 is 145311451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145311451 = 47 ⋅3091733.

It is a cyclic number.

It is not a de Polignac number, because 154113541 - 2¹ = 154113539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154113571) 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 3 ways as a sum of consecutive naturals, for example, 4055601 + ... + 4055638.

It is an arithmetic number, because the mean of its divisors is an integer number (40556200).

Almost surely, 2^154113541 is an apocalyptic number.

It is an amenable number.

154113541 is a deficient number, since it is larger than the sum of its proper divisors (8111259).

154113541 is an equidigital number, since it uses as much as digits as its factorization.

154113541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111258.

The product of its digits is 1200, while the sum is 25.

The square root of 154113541 is about 12414.2475003522. The cubic root of 154113541 is about 536.1425386210.

Adding to 154113541 its reverse (145311451), we get a palindrome (299424992).

The spelling of 154113541 in words is "one hundred fifty-four million, one hundred thirteen thousand, five hundred forty-one".