154206493 has 16 divisors (see below), whose sum is σ = 182886400. Its totient is φ = 127234800.

The previous prime is 154206487. The next prime is 154206511. The reversal of 154206493 is 394602451.

It is a happy number.

It is not a de Polignac number, because 154206493 - 2⁹ = 154205981 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 (154206443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41398 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (11430400).

Almost surely, 2^154206493 is an apocalyptic number.

It is an amenable number.

154206493 is a deficient number, since it is larger than the sum of its proper divisors (28679907).

154206493 is a wasteful number, since it uses less digits than its factorization.

154206493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 154206493 is about 12417.9906989819. The cubic root of 154206493 is about 536.2503065801.

The spelling of 154206493 in words is "one hundred fifty-four million, two hundred six thousand, four hundred ninety-three".