Search a number
-
+
145054541 = 3711233491
BaseRepresentation
bin10001010010101…
…01101101001101
3101002221112102102
420221111231031
5244113221131
622221004445
73410641352
oct1051255515
9332845372
10145054541
1174974695
12406b3725
1324089bb8
141539c629
15cb041cb
hex8a55b4d

145054541 has 8 divisors (see below), whose sum is σ = 149150304. Its totient is φ = 140968080.

The previous prime is 145054519. The next prime is 145054561. The reversal of 145054541 is 145450541.

145054541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145054541 - 218 = 144792397 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145054561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39806 + ... + 43296.

It is an arithmetic number, because the mean of its divisors is an integer number (18643788).

Almost surely, 2145054541 is an apocalyptic number.

It is an amenable number.

145054541 is a deficient number, since it is larger than the sum of its proper divisors (4095763).

145054541 is a wasteful number, since it uses less digits than its factorization.

145054541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145054541 is about 12043.8590576277. The cubic root of 145054541 is about 525.4246493222.

The spelling of 145054541 in words is "one hundred forty-five million, fifty-four thousand, five hundred forty-one".

Divisors: 1 37 1123 3491 41551 129167 3920393 145054541