145030401 has 12 divisors (see below), whose sum is σ = 220514320. Its totient is φ = 91598040.

The previous prime is 145030397. The next prime is 145030409. The reversal of 145030401 is 104030541.

It is a happy number.

It is not a de Polignac number, because 145030401 - 2² = 145030397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145030409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423895 + ... + 424236.

Almost surely, 2^145030401 is an apocalyptic number.

It is an amenable number.

145030401 is a deficient number, since it is larger than the sum of its proper divisors (75483919).

145030401 is a wasteful number, since it uses less digits than its factorization.

145030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848156 (or 848153 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145030401 is about 12042.8568454499. The cubic root of 145030401 is about 525.3955006204.

Adding to 145030401 its reverse (104030541), we get a palindrome (249060942).

The spelling of 145030401 in words is "one hundred forty-five million, thirty thousand, four hundred one".