154544053 has 4 divisors (see below), whose sum is σ = 154592748. Its totient is φ = 154495360.

The previous prime is 154544051. The next prime is 154544057. The reversal of 154544053 is 350445451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350445451 = 127 ⋅2759413.

It can be written as a sum of positive squares in 2 ways, for example, as 140232964 + 14311089 = 11842^2 + 3783^2 .

It is a cyclic number.

It is not a de Polignac number, because 154544053 - 2¹ = 154544051 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154544051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19228 + ... + 26053.

It is an arithmetic number, because the mean of its divisors is an integer number (38648187).

Almost surely, 2^154544053 is an apocalyptic number.

It is an amenable number.

154544053 is a deficient number, since it is larger than the sum of its proper divisors (48695).

154544053 is an equidigital number, since it uses as much as digits as its factorization.

154544053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48694.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 154544053 is about 12431.5748398986. The cubic root of 154544053 is about 536.6413076933.

The spelling of 154544053 in words is "one hundred fifty-four million, five hundred forty-four thousand, fifty-three".