1442746153 has 4 divisors (see below), whose sum is σ = 1442884608. Its totient is φ = 1442607700.

The previous prime is 1442746147. The next prime is 1442746183. The reversal of 1442746153 is 3516472441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3516472441 = 317 ⋅11092973.

It is a cyclic number.

It is not a de Polignac number, because 1442746153 - 2⁵ = 1442746121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442746183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52201 + ... + 74902.

It is an arithmetic number, because the mean of its divisors is an integer number (360721152).

Almost surely, 2^1442746153 is an apocalyptic number.

It is an amenable number.

1442746153 is a deficient number, since it is larger than the sum of its proper divisors (138455).

1442746153 is a wasteful number, since it uses less digits than its factorization.

1442746153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138454.

The product of its digits is 80640, while the sum is 37.

The square root of 1442746153 is about 37983.4984302394. The cubic root of 1442746153 is about 1129.9606201851.

The spelling of 1442746153 in words is "one billion, four hundred forty-two million, seven hundred forty-six thousand, one hundred fifty-three".