145254401025 has 48 divisors (see below), whose sum is σ = 253135703040. Its totient is φ = 73292385600.

The previous prime is 145254401023. The next prime is 145254401041. The reversal of 145254401025 is 520104452541.

It is a happy number.

It is not a de Polignac number, because 145254401025 - 2¹ = 145254401023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145254401023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 990180 + ... + 1127370.

It is an arithmetic number, because the mean of its divisors is an integer number (5273660480).

Almost surely, 2^145254401025 is an apocalyptic number.

145254401025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145254401025 is a deficient number, since it is larger than the sum of its proper divisors (107881302015).

145254401025 is a wasteful number, since it uses less digits than its factorization.

145254401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137966 (or 137961 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 145254401025 its reverse (520104452541), we get a palindrome (665358853566).

The spelling of 145254401025 in words is "one hundred forty-five billion, two hundred fifty-four million, four hundred one thousand, twenty-five".