145430402 has 8 divisors (see below), whose sum is σ = 234926076. Its totient is φ = 67121712.

The previous prime is 145430371. The next prime is 145430413. The reversal of 145430402 is 204034541.

It can be written as a sum of positive squares in 2 ways, for example, as 142301041 + 3129361 = 11929^2 + 1769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2796713 + ... + 2796764.

Almost surely, 2^145430402 is an apocalyptic number.

145430402 is a deficient number, since it is larger than the sum of its proper divisors (89495674).

145430402 is a wasteful number, since it uses less digits than its factorization.

145430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593492.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145430402 is about 12059.4528068234. The cubic root of 145430402 is about 525.8780794689.

Adding to 145430402 its reverse (204034541), we get a palindrome (349464943).

The spelling of 145430402 in words is "one hundred forty-five million, four hundred thirty thousand, four hundred two".