145541262461 has 16 divisors (see below), whose sum is σ = 176134167936. Its totient is φ = 117400098816.

The previous prime is 145541262437. The next prime is 145541262463. The reversal of 145541262461 is 164262145541.

It is a de Polignac number, because none of the positive numbers 2^k-145541262461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145541262463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311245 + ... + 1417901.

It is an arithmetic number, because the mean of its divisors is an integer number (11008385496).

Almost surely, 2^145541262461 is an apocalyptic number.

It is an amenable number.

145541262461 is a deficient number, since it is larger than the sum of its proper divisors (30592905475).

145541262461 is a wasteful number, since it uses less digits than its factorization.

145541262461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118148.

The product of its digits is 230400, while the sum is 41.

The spelling of 145541262461 in words is "one hundred forty-five billion, five hundred forty-one million, two hundred sixty-two thousand, four hundred sixty-one".