145049355 has 72 divisors (see below), whose sum is σ = 292795776. Its totient is φ = 66147840.

The previous prime is 145049323. The next prime is 145049369. The reversal of 145049355 is 553940541.

145049355 is a `hidden beast` number, since 14 + 504 + 93 + 55 = 666.

It is not a de Polignac number, because 145049355 - 2⁵ = 145049323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 91782 + ... + 93348.

It is an arithmetic number, because the mean of its divisors is an integer number (4066608).

Almost surely, 2^145049355 is an apocalyptic number.

145049355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145049355 is an abundant number, since it is smaller than the sum of its proper divisors (147746421).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145049355 is a wasteful number, since it uses less digits than its factorization.

145049355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 145049355 is about 12043.6437592616. The cubic root of 145049355 is about 525.4183875748.

Adding to 145049355 its reverse (553940541), we get a palindrome (698989896).

It can be divided in two parts, 1450 and 49355, that added together give a palindrome (50805).

The spelling of 145049355 in words is "one hundred forty-five million, forty-nine thousand, three hundred fifty-five".