1407450146 has 4 divisors (see below), whose sum is σ = 2111175222. Its totient is φ = 703725072.

The previous prime is 1407450131. The next prime is 1407450151. The reversal of 1407450146 is 6410547041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6410547041 = 18443 ⋅347587.

It can be written as a sum of positive squares in only one way, i.e., 1247149225 + 160300921 = 35315^2 + 12661^2 .

It is an unprimeable number.

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, 351862535 + ... + 351862538.

Almost surely, 2^1407450146 is an apocalyptic number.

1407450146 is a deficient number, since it is larger than the sum of its proper divisors (703725076).

1407450146 is an equidigital number, since it uses as much as digits as its factorization.

1407450146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703725075.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1407450146 is about 37515.9985339588. The cubic root of 1407450146 is about 1120.6698124574.

Adding to 1407450146 its reverse (6410547041), we get a palindrome (7817997187).

The spelling of 1407450146 in words is "one billion, four hundred seven million, four hundred fifty thousand, one hundred forty-six".