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145416505541 = 4728154720129
BaseRepresentation
bin1000011101101101111…
…1111100100011000101
3111220100022210212111112
42013123133330203011
54340303111134131
6150445312214405
713335361621436
oct2073337744305
9456308725445
10145416505541
115674190a9aa
122422383a405
1310935ac0b68
147076b4d48d
153bb14ec02b
hex21db7fc8c5

145416505541 has 16 divisors (see below), whose sum is σ = 149318864640. Its totient is φ = 141549757440.

The previous prime is 145416505537. The next prime is 145416505607. The reversal of 145416505541 is 145505614541.

It is a cyclic number.

It is not a de Polignac number, because 145416505541 - 22 = 145416505537 is a prime.

It is a super-2 number, since 2×1454165055412 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145416501541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7214165 + ... + 7234293.

It is an arithmetic number, because the mean of its divisors is an integer number (9332429040).

Almost surely, 2145416505541 is an apocalyptic number.

It is an amenable number.

145416505541 is a deficient number, since it is larger than the sum of its proper divisors (3902359099).

145416505541 is a wasteful number, since it uses less digits than its factorization.

145416505541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 145416505541 in words is "one hundred forty-five billion, four hundred sixteen million, five hundred five thousand, five hundred forty-one".

Divisors: 1 47 281 547 13207 20129 25709 153707 946063 5656249 7224229 11010563 265843703 517496461 3093968203 145416505541