1451742406 has 4 divisors (see below), whose sum is σ = 2177613612. Its totient is φ = 725871202.

The previous prime is 1451742403. The next prime is 1451742427. The reversal of 1451742406 is 6042471541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6042471541 = 53 ⋅114008897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451742403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362935600 + ... + 362935603.

It is an arithmetic number, because the mean of its divisors is an integer number (544403403).

Almost surely, 2^1451742406 is an apocalyptic number.

1451742406 is a deficient number, since it is larger than the sum of its proper divisors (725871206).

1451742406 is an equidigital number, since it uses as much as digits as its factorization.

1451742406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725871205.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1451742406 is about 38101.7375719271. The cubic root of 1451742406 is about 1132.3043809959.

The spelling of 1451742406 in words is "one billion, four hundred fifty-one million, seven hundred forty-two thousand, four hundred six".