145241455 has 16 divisors (see below), whose sum is σ = 184995360. Its totient is φ = 109089792.

The previous prime is 145241449. The next prime is 145241471. The reversal of 145241455 is 554142541.

It is a happy number.

145241455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145241455 - 2¹¹ = 145239407 is a prime.

It is a congruent 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, 36976 + ... + 40714.

It is an arithmetic number, because the mean of its divisors is an integer number (11562210).

Almost surely, 2^145241455 is an apocalyptic number.

145241455 is a deficient number, since it is larger than the sum of its proper divisors (39753905).

145241455 is a wasteful number, since it uses less digits than its factorization.

145241455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218.

The product of its digits is 16000, while the sum is 31.

The square root of 145241455 is about 12051.6162816445. The cubic root of 145241455 is about 525.6502358936.

Adding to 145241455 its reverse (554142541), we get a palindrome (699383996).

The spelling of 145241455 in words is "one hundred forty-five million, two hundred forty-one thousand, four hundred fifty-five".