1425551545 has 16 divisors (see below), whose sum is σ = 1877637312. Its totient is φ = 1030397760.

The previous prime is 1425551531. The next prime is 1425551557. The reversal of 1425551545 is 5451555241.

It is not a de Polignac number, because 1425551545 - 2¹¹ = 1425549497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70542 + ... + 88471.

It is an arithmetic number, because the mean of its divisors is an integer number (117352332).

Almost surely, 2^1425551545 is an apocalyptic number.

It is an amenable number.

1425551545 is a deficient number, since it is larger than the sum of its proper divisors (452085767).

1425551545 is a wasteful number, since it uses less digits than its factorization.

1425551545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159192.

The product of its digits is 100000, while the sum is 37.

The square root of 1425551545 is about 37756.4768615929. The cubic root of 1425551545 is about 1125.4537218416.

The spelling of 1425551545 in words is "one billion, four hundred twenty-five million, five hundred fifty-one thousand, five hundred forty-five".