1454745242 has 4 divisors (see below), whose sum is σ = 2182117866. Its totient is φ = 727372620.

The previous prime is 1454745221. The next prime is 1454745247. The reversal of 1454745242 is 2425474541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 841638121 + 613107121 = 29011^2 + 24761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1454745196 and 1454745205.

It is not an unprimeable number, because it can be changed into a prime (1454745247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363686309 + ... + 363686312.

Almost surely, 2^1454745242 is an apocalyptic number.

1454745242 is a deficient number, since it is larger than the sum of its proper divisors (727372624).

1454745242 is an equidigital number, since it uses as much as digits as its factorization.

1454745242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727372623.

The product of its digits is 179200, while the sum is 38.

The square root of 1454745242 is about 38141.1227155153. The cubic root of 1454745242 is about 1133.0845429864.

The spelling of 1454745242 in words is "one billion, four hundred fifty-four million, seven hundred forty-five thousand, two hundred forty-two".